feat: update helm and use renovate to keep it updated

.gitea/workflows/lint-test-helm.yaml

@@ -60,7 +60,8 @@ jobs:
         uses: azure/setup-helm@v4
         with:
           token: ${{ secrets.GITEA_TOKEN }}
-          version: v3.19.2
+          # renovate: datasource=github-releases depName=helm/helm
+          version: v4.1.3
           cache: true
 
       - name: Cache Helm Dependencies
@@ -258,7 +259,9 @@ jobs:
         uses: azure/setup-helm@v4
         with:
           token: ${{ secrets.GITEA_TOKEN }}
-          version: v3.19.2
+          # renovate: datasource=github-releases depName=helm/helm
+          version: v4.1.3
+          cache: true
 
       - name: Cache Helm Dependencies
         uses: actions/cache@v5

renovate.json

@@ -7,14 +7,23 @@
   ],
   "customManagers": [
     {
+      "description": "Update appVersion in Chart.yaml via magic comments",
       "customType": "regex",
-      "managerFilePatterns": [
+      "fileMatch": ["(^|/)Chart\\.yaml$"],
-        "/(^|/)Chart\\.yaml$/"
-      ],
       "matchStrings": [
         "#\\s*renovate:\\s*datasource=(?<datasource>.*?) depName=(?<depName>.*?)\\s+appVersion:\\s*[\"']?(?<currentValue>[^\"'\\s]+)[\"']?"
+      ]
+    },
+    {
+      "description": "Update Helm CLI version in GitHub Actions",
+      "customType": "regex",
+      "fileMatch": ["^\\.github/workflows/.*\\.ya?ml$"],
+      "matchStrings": [
+        "uses: azure/setup-helm@v4[\\s\\S]*?version: (?<currentValue>v?\\d+\\.\\d+\\.\\d+)"
       ],
-      "datasourceTemplate": "github-releases"
+      "depNameTemplate": "helm/helm",
+      "datasourceTemplate": "github-releases",
+      "versioningTemplate": "semver"
     }
   ],
   "timezone": "US/Central",