Refactor GitHub Actions workflow to use updated image tag output; streamline chart version bump and appVersion setting

.github/workflows/build.yml

@@ -9,14 +9,13 @@ jobs:
   build:
     runs-on: ubuntu-latest
     permissions:
-      contents: write
       packages: write
+    outputs:
+      image_tag: ${{ steps.tag.outputs.value }}
 
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Set image tag
         id: tag
@@ -46,6 +45,18 @@ jobs:
           cache-from: type=gha
           cache-to: type=gha,mode=max
 
+  update-chart:
+    runs-on: ubuntu-latest
+    needs: build
+    permissions:
+      contents: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+
       - name: Bump chart version and set appVersion
         id: chart
         run: |
@@ -56,7 +67,7 @@ jobs:
           NEW_VERSION="$MAJOR.$MINOR.$((PATCH + 1))"
 
           sed -i "s/^version: .*/version: $NEW_VERSION/" helm/Chart.yaml
-          sed -i "s/^appVersion: .*/appVersion: \"${{ steps.tag.outputs.value }}\"/" helm/Chart.yaml
+          sed -i "s/^appVersion: .*/appVersion: \"${{ needs.build.outputs.image_tag }}\"/" helm/Chart.yaml
 
           echo "version=$NEW_VERSION" >> $GITHUB_OUTPUT
 
@@ -65,9 +76,5 @@ jobs:
           git config user.name "github-actions[bot]"
           git config user.email "github-actions[bot]@users.noreply.github.com"
           git add helm/Chart.yaml
-          if git diff --cached --quiet; then
-            echo "No changes to commit; skipping commit and push."
-          else
-            git commit -m "chore: chart ${{ steps.chart.outputs.version }}, appVersion ${{ steps.tag.outputs.value }} [skip ci]"
+          git commit -m "chore: chart ${{ steps.chart.outputs.version }}, appVersion ${{ needs.build.outputs.image_tag }} [skip ci]"
           git push
-          fi