Update chart releaser action

.github/workflows/chart-releaser.yml

@@ -1,11 +1,14 @@
 name: Release Charts
 
 on:
-  push:
-    branches:
-      - main
-    paths:
-      - charts/tum-gis-iot-stack-k8s/**
+  # push:
+  #   branches:
+  #     - main
+
+  #   paths:
+  #     - charts/tum-gis-iot-stack-k8s/**
+
+  pull_request:
 
 jobs:
   release:
@@ -16,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
@@ -26,11 +29,14 @@ jobs:
           git config user.email "[email protected]"
 
       - name: Install Helm
-        uses: azure/setup-helm@v1
+        uses: azure/setup-helm@v4
         with:
-          version: v3.11.3
+          version: v3.14.1
 
       - name: Run chart-releaser
-        uses: helm/[email protected]
+        uses: helm/[email protected]
+        with:
+          mark_as_latest: false
+          skip_existing: true
         env:
-          CR_TOKEN: "${{ secrets.GH_TOKEN }}"
+          CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"