ci: warning instead exit 1

Updates the actions to use node 20 versions and avoids exit 1 that makes
it seem like something went wrong in the case of an error.

.github/workflows/release.yml

@@ -11,10 +11,10 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Node.js
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: '20'
           registry-url: 'https://registry.npmjs.org'
@@ -30,26 +30,32 @@ jobs:
       - name: Check for release notes
         run: |
           RELEASE_NOTES="$(npm run release -- --dry-run | awk 'BEGIN { flag=0 } /^---$/ { if (flag == 0) { flag=1 } else { flag=2 }; next } flag == 1')"
+          echo "RELEASE_NOTES: $RELEASE_NOTES"
           # Don't release if there are no changes
           if [ "$(echo "$RELEASE_NOTES" | wc -l)" -eq 1 ] ; then
-              echo "This release would have no release notes. Does it include changes?"
+              echo "::warning::This release would have no release notes. Does it include changes?"
               echo "   - You must have at least one fix / feat commit to generate release notes"
               echo "*** STOPPING RELEASE PROCESS ***"
-              exit 1
+              echo "RELEASE_NOTES_AVAILABLE=false" >> $GITHUB_ENV
+          else
+              echo "RELEASE_NOTES_AVAILABLE=true" >> $GITHUB_ENV
           fi
 
       - name: Generate release version
+        if: success() && env.RELEASE_NOTES_AVAILABLE == 'true'
         run: npm run release
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_PUBLISH_KEY }}
 
       - name: Push version changes
+        if: success() && env.RELEASE_NOTES_AVAILABLE == 'true'
         run: |
           git push --follow-tags origin main
         env:
           GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
 
       - name: Publish package
+        if: success() && env.RELEASE_NOTES_AVAILABLE == 'true'
         run: npm publish
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_PUBLISH_KEY }}