change action trigger

Signed-off-by: Patrick <[email protected]>

.github/actions/chart_releaser/action.yaml

@@ -1,16 +1,16 @@
 name: Release Charts
 
 on:
-  push:
-    branches:
-      - main
+  release:
+    types: [published]
 
 jobs:
   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
+      packages: write
     runs-on: ubuntu-latest
     steps:
       - name: Checkout