Update Deps + Attestation

Enable GitHub actions attestation of the published package to increase the trust state of the package.
Update deps to use the latest LTS version of node available.

.github/workflows/cd.yml

@@ -11,19 +11,19 @@ jobs:
     if: "!startsWith(github.event.head_commit.message, '[ci skip]')"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - name: Use Node.js 18
-        uses: actions/setup-node@v3.5.1
+      - uses: actions/checkout@v4
+      - name: Use Node.js 20
+        uses: actions/setup-node@v4
         with:
-          node-version: 18
+          node-version: 20
           registry-url: https://registry.npmjs.org/
       - run: npm ci
       - run: npm run build
       - run: npm test
       - run: git config --global user.name "GitHub CD bot"
       - run: git config --global user.email "[email protected]"
       - run: npm version ${{ github.event.inputs.updateType }} -m "[ci skip] %s"
-      - run: npm publish
+      - run: npm publish --provenance
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
       - run: git push --follow-tags