Update npm-publish.yml

Updated to only push a new update if the version is changed.

Author: lzinga

.github/workflows/npm-publish.yml

@@ -28,7 +28,19 @@ jobs:
         with:
           node-version: 20
           registry-url: https://registry.npmjs.org/
+      - name: Check package version
+        id: cpv
+        uses: PostHog/check-package-version@v2
+        with:
+          path: '.'
+      - name: Show version info
+        run: |
+          echo "Committed version: ${{ steps.cpv.outputs.committed-version }}"
+          echo "Published version: ${{ steps.cpv.outputs.published-version }}"
+          echo "Is new version: ${{ steps.cpv.outputs.is-new-version }}"
       - run: npm ci
-      - run: npm publish --access public
+      - name: Publish new version
+        if: steps.cpv.outputs.is-new-version == 'true'
+        run: npm publish --access public
         env:
           NODE_AUTH_TOKEN: ${{secrets.npm_token}}