Build and publish chart on any version bump

.github/workflows/helm-build-push.yml

@@ -3,16 +3,34 @@ name: Publish Danswer Helm Chart
 on:
   push:
     branches:
-      - main
+      - "*"
   workflow_dispatch:
 
 jobs:
+  check_for_helm_chart_version_change:
+    runs-on: ubuntu-latest
+    outputs:
+      version_changed: ${{ steps.version_check.outputs.chart_version_changed }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Check for Helm chart version bump
+        id: version_check
+        run: |
+          changed=$(git diff HEAD~1 deployment/helm/Chart.yaml | grep --silent "^+version: " && echo true)
+          echo chart_version_changed=$changed >> $GITHUB_OUTPUTS
+
   release:
     # depending on default permission settings for your org (contents being read-only or read-write for workloads), you will have to add permissions
     # see: https://docs.github.com/en/actions/security-guides/automatic-token-authentication#modifying-the-permissions-for-the-github_token
     permissions:
       contents: write
     runs-on: ubuntu-latest
+    needs: check_for_helm_chart_version_change
+    if: ${{ needs.check_for_helm_chart_version_change.outputs.version_changed == 'true' }}
     steps:
       - name: Checkout
         uses: actions/checkout@v3