ci: update next-version-action. commit package.json updates.

Author: jsm174

.github/workflows/VisualPinball.Engine.yml renamed to .github/workflows/publish.yml

@@ -1,31 +1,49 @@
 on: [push, pull_request]
+
 jobs:
-  release:
+  publish:
     runs-on: ubuntu-latest
     if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}
     steps:
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0
-          lfs: true
+          lfs: true 
       - name: Fetch next version
         id: nextVersion
-        uses: freezy/VisualPinball.NextVersionAction@v0.1.4
+        uses: VisualPinball/next-version-action@v0.1.6
         with:
           tagPrefix: 'v'
+      - name: Bump
+        if: ${{ steps.nextVersion.outputs.isBump == 'true' }} 
+        run: |
+          npm version ${{ steps.nextVersion.outputs.nextVersion }} --no-git-tag-version    
       - name: Publish
         run: |
           echo "//registry.visualpinball.org/:_authToken=${NPM_TOKEN}" > ~/.npmrc
-          npm version ${{ steps.nextVersion.outputs.nextVersion }} --no-git-tag-version --allow-same-version
           npm publish
         env:
           NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+      - name: Commit
+        id: commit
+        if: ${{ steps.nextVersion.outputs.isBump == 'true' }} 
+        run: |
+          git config user.name "github-actions"
+          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
+          git add package.json
+          git commit -m "chore(deps): Update to ${{ steps.nextVersion.outputs.nextTag }}."
+          git push
+          commitish=$(git rev-parse HEAD)
+          echo ::set-output name=commitish::${commitish}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - name: Create Release
         uses: actions/create-release@v1
         with:
           tag_name: ${{ steps.nextVersion.outputs.nextTag }}
           release_name: ${{ steps.nextVersion.outputs.nextTag }}
           prerelease: ${{ steps.nextVersion.outputs.isPrerelease }}
+          commitish: ${{ steps.commit.outputs.commitish }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}