Run Helm release action on release branches, not master

Signed-off-by: Connor Catlett <[email protected]>

Author: ConnorJC3

.github/workflows/helm-chart-release.yaml

@@ -17,7 +17,7 @@ name: Release Helm Charts
 on:
   push:
     branches:
-      - master
+      - 'release-*'
     paths:
       - "charts/**/Chart.yaml"