AJ-1501: update logback-classic in automation

[davidangb]

Ticket: https://broadworkbench.atlassian.net/browse/AJ-1501

This updates logback-classic to latest, in the automation subdirectory. Note that we already updated the runtime logback in #2647.

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PR checklist

• Include the JIRA issue number in the PR description and title
• Make sure Swagger is updated if API changes
  • ...and Orchestration's Swagger too!
• If you changed anything in model/, then you should publish a new official rawls-model and update rawls-model in Orchestration's dependencies.
• Get two thumbsworth of PR review
• Verify all tests go green, including CI tests
• Squash commits and merge to develop (branches are automatically deleted after merging)
• Inform other teams of any substantial changes via Slack and/or email