Run tests against the latest versions

Truly don't understand the point of "npm install": it's neither the
latest version, nor the locked ones. It's mystery meat.

.github/workflows/test.yml

@@ -21,7 +21,7 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
-      - run: npm install
+      - run: npm update
       - run: npm run build
       - run: npm run lint
       - run: npm run test
@@ -34,7 +34,7 @@ jobs:
       - uses: oven-sh/setup-bun@v1
         with:
           bun-version: latest
-      - run: bun install
+      - run: bun update --no-save
       - run: bun run build
       - run: bun run test:short
       - run: bun run examples:bun

package.json

@@ -25,9 +25,9 @@
     "scripts": {
         "test": "vitest --run",
         "test:short": "vitest --run --project node",
-        "examples:node": "cd tests/examples && npm install && npm run test:node",
-        "examples:bun": "cd tests/examples && bun install && bun run test:bun",
-        "examples:esbuild": "cd tests/examples && npm install && npm run test:esbuild",
+        "examples:node": "cd tests/examples && npm update && npm run test:node",
+        "examples:bun": "cd tests/examples && bun update --no-save && bun run test:bun",
+        "examples:esbuild": "cd tests/examples && npm update && npm run test:esbuild",
         "bench": "vitest bench --run",
         "lint": "eslint .",
         "build": "tsc -p tsconfig.build.json",