chore: changeset validating github action

[bennypowers]

What I did

1. add a github actions workflow to validate changesets against base branch and pr title
2. convert the list of conventional commits to a semantic version release type (fix|feat|feat!|etc => patch|minor|major). see https://github.com/semantic-release/semantic-release/blob/master/docs/developer-guide/js-api.md

Testing Instructions

1. change the name of this pr to something like feat(card)!: break everything and see that CI fails because there's no changeset.

[changeset-bot]

🦋 Changeset detected

Latest commit: e97aee7

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@rhds/elements	Major

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

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[github-actions]

Size Change: 0 B

Total Size: 249 kB

ℹ️ View Unchanged

Filename	Size
./elements/rh-accordion/context.js	163 B
./elements/rh-accordion/rh-accordion-header.js	3.75 kB
./elements/rh-accordion/rh-accordion-panel.js	1.47 kB
./elements/rh-accordion/rh-accordion.js	3.71 kB
./elements/rh-alert/rh-alert.js	4.45 kB
./elements/rh-audio-player/rh-audio-player-about.js	1.67 kB
./elements/rh-audio-player/rh-audio-player-button.css.js	434 B
./elements/rh-audio-player/rh-audio-player-panel.css.js	551 B
./elements/rh-audio-player/rh-audio-player-scrolling-text-overflow.js	1.51 kB
./elements/rh-audio-player/rh-audio-player-subscribe.js	1.01 kB
./elements/rh-audio-player/rh-audio-player.js	14.3 kB
./elements/rh-audio-player/rh-cue.js	2.01 kB
./elements/rh-audio-player/rh-transcript.js	2.28 kB
./elements/rh-avatar/random-pattern-controller.js	2.72 kB
./elements/rh-avatar/rh-avatar.js	2.91 kB
./elements/rh-back-to-top/rh-back-to-top.js	2.1 kB
./elements/rh-badge/rh-badge.js	1.04 kB
./elements/rh-blockquote/rh-blockquote.js	1.94 kB
./elements/rh-button/rh-button.js	4.45 kB
./elements/rh-card/rh-card.js	1.96 kB
./elements/rh-code-block/rh-code-block.js	5.28 kB
./elements/rh-cta/rh-cta.js	4.57 kB
./elements/rh-dialog/rh-dialog.js	4.79 kB
./elements/rh-dialog/yt-api.js	617 B
./elements/rh-footer/rh-footer-block.js	765 B
./elements/rh-footer/rh-footer-copyright.js	362 B
./elements/rh-footer/rh-footer-links.js	1.18 kB
./elements/rh-footer/rh-footer-social-link.js	1.35 kB
./elements/rh-footer/rh-footer-universal.js	2.04 kB
./elements/rh-footer/rh-footer.css.js	2.15 kB
./elements/rh-footer/rh-footer.js	3.06 kB
./elements/rh-footer/rh-global-footer.js	250 B
./elements/rh-menu/rh-menu.js	1.19 kB
./elements/rh-navigation-secondary/rh-navigation-secondary-dropdown.js	2.59 kB
./elements/rh-navigation-secondary/rh-navigation-secondary-menu-section.js	1.46 kB
./elements/rh-navigation-secondary/rh-navigation-secondary-menu.js	1.9 kB
./elements/rh-navigation-secondary/rh-navigation-secondary-overlay.js	572 B
./elements/rh-navigation-secondary/rh-navigation-secondary.js	5.37 kB
./elements/rh-navigation-secondary/test/fixtures.js	851 B
./elements/rh-pagination/rh-pagination.js	4.46 kB
./elements/rh-site-status/rh-site-status.js	2.7 kB
./elements/rh-skip-link/rh-skip-link.js	1.14 kB
./elements/rh-spinner/rh-spinner.js	1.61 kB
./elements/rh-stat/rh-stat.js	2.25 kB
./elements/rh-subnav/rh-subnav.js	2.83 kB
./elements/rh-surface/rh-surface.js	862 B
./elements/rh-table/rh-sort-button.js	1.48 kB
./elements/rh-table/rh-table.js	3.03 kB
./elements/rh-tabs/context.js	159 B
./elements/rh-tabs/rh-tab-panel.js	1.15 kB
./elements/rh-tabs/rh-tab.js	3.08 kB
./elements/rh-tabs/rh-tabs.js	3.91 kB
./elements/rh-tag/rh-tag.js	1.96 kB
./elements/rh-tile/rh-tile-group.js	1.76 kB
./elements/rh-tile/rh-tile.js	4.82 kB
./elements/rh-timestamp/rh-timestamp.js	985 B
./elements/rh-tooltip/rh-tooltip.js	2.25 kB
./lib/context/color/consumer.js	1.16 kB
./lib/context/color/context-color.css.js	267 B
./lib/context/color/controller.js	892 B
./lib/context/color/provider.js	2.06 kB
./lib/context/event.js	587 B
./lib/context/headings/consumer.js	724 B
./lib/context/headings/controller.js	1.13 kB
./lib/context/headings/provider.js	1.24 kB
./lib/DirController.js	568 B
./lib/elements/rh-context-demo/rh-context-demo.js	1.16 kB
./lib/elements/rh-context-picker/rh-context-picker.js	2.43 kB
./lib/functions.js	175 B
./lib/I18nController.js	1.38 kB
./lib/ScreenSizeController.js	856 B
./react/elements/rh-accordion/rh-accordion-header.js	215 B
./react/elements/rh-accordion/rh-accordion-panel.js	188 B
./react/elements/rh-accordion/rh-accordion.js	216 B
./react/elements/rh-alert/rh-alert.js	188 B
./react/elements/rh-audio-player/rh-audio-player-about.js	193 B
./react/elements/rh-audio-player/rh-audio-player-scrolling-text-overflow.js	215 B
./react/elements/rh-audio-player/rh-audio-player-subscribe.js	197 B
./react/elements/rh-audio-player/rh-audio-player.js	185 B
./react/elements/rh-audio-player/rh-cue.js	196 B
./react/elements/rh-audio-player/rh-transcript.js	207 B
./react/elements/rh-avatar/rh-avatar.js	177 B
./react/elements/rh-back-to-top/rh-back-to-top.js	186 B
./react/elements/rh-badge/rh-badge.js	177 B
./react/elements/rh-blockquote/rh-blockquote.js	181 B
./react/elements/rh-button/rh-button.js	177 B
./react/elements/rh-card/rh-card.js	176 B
./react/elements/rh-code-block/rh-code-block.js	183 B
./react/elements/rh-cta/rh-cta.js	174 B
./react/elements/rh-dialog/rh-dialog.js	206 B
./react/elements/rh-footer/rh-footer-block.js	187 B
./react/elements/rh-footer/rh-footer-copyright.js	189 B
./react/elements/rh-footer/rh-footer-links.js	187 B
./react/elements/rh-footer/rh-footer-social-link.js	194 B
./react/elements/rh-footer/rh-footer-universal.js	190 B
./react/elements/rh-footer/rh-footer.js	178 B
./react/elements/rh-footer/rh-global-footer.js	188 B
./react/elements/rh-menu/rh-menu.js	176 B
./react/elements/rh-navigation-secondary/rh-navigation-secondary-dropdown.js	243 B
./react/elements/rh-navigation-secondary/rh-navigation-secondary-menu-section.js	233 B
./react/elements/rh-navigation-secondary/rh-navigation-secondary-menu.js	225 B
./react/elements/rh-navigation-secondary/rh-navigation-secondary-overlay.js	202 B
./react/elements/rh-navigation-secondary/rh-navigation-secondary.js	239 B
./react/elements/rh-pagination/rh-pagination.js	181 B
./react/elements/rh-site-status/rh-site-status.js	182 B
./react/elements/rh-skip-link/rh-skip-link.js	184 B
./react/elements/rh-spinner/rh-spinner.js	177 B
./react/elements/rh-stat/rh-stat.js	176 B
./react/elements/rh-subnav/rh-subnav.js	178 B
./react/elements/rh-surface/rh-surface.js	178 B
./react/elements/rh-table/rh-sort-button.js	213 B
./react/elements/rh-table/rh-table.js	177 B
./react/elements/rh-tabs/rh-tab-panel.js	181 B
./react/elements/rh-tabs/rh-tab.js	188 B
./react/elements/rh-tabs/rh-tabs.js	176 B
./react/elements/rh-tag/rh-tag.js	183 B
./react/elements/rh-tile/rh-tile-group.js	185 B
./react/elements/rh-tile/rh-tile.js	197 B
./react/elements/rh-timestamp/rh-timestamp.js	179 B
./react/elements/rh-tooltip/rh-tooltip.js	177 B
./rhds.min.js	89.6 kB

_{compressed-size-action}

[zeroedin]

Changed title of PR recieved:

Error: Unhandled error: Error: PR conventional commit title has type (major) but no changesets were detected.
    at async main (/home/runner/work/_actions/actions/github-script/v7/dist/index.js:35522:20)

LGTM