run helm release on main only and when the chart/value changes only (#9290)

Signed-off-by: James Strong <strong.james.e@gmail.com>

Signed-off-by: James Strong <strong.james.e@gmail.com>

.github/workflows/helm.yaml

@@ -4,7 +4,6 @@ on:
   push:
     branches:
       - main
-      - legacy
 
 permissions:
   contents: read
@@ -34,7 +33,7 @@ jobs:
           filters: |
             charts:
               - 'charts/ingress-nginx/Chart.yaml'
-              - 'charts/ingress-nginx/**/*'
+              - 'charts/ingress-nginx/values.yaml'
 
   chart:
     name: Release Chart
@@ -52,7 +51,7 @@ jobs:
     steps:
 
       - name: Checkout master
-        uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # v3.0.2
+        uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8
         with:
           # Fetch entire history. Required for chart-releaser; see https://github.com/helm/chart-releaser-action/issues/13#issuecomment-602063896
           fetch-depth: 0
@@ -64,7 +63,7 @@ jobs:
           git config --global user.email "$GITHUB_ACTOR@users.noreply.github.com"
       
       - name: Helm Chart Releaser
-        uses: helm/chart-releaser-action@v1.4.1
+        uses: helm/chart-releaser-action@98bccfd32b0f76149d188912ac8e45ddd3f8695f #v1.4.1
         env:
           CR_SKIP_EXISTING: "false"
           CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"