chore(deps): update docker.io/volkerraschek/helm docker tag to v4

.gitea/workflows/release.yaml

@@ -8,7 +8,7 @@ on:
 jobs:
   publish-chart:
     container:
-      image: docker.io/volkerraschek/helm:3.19.2
+      image: docker.io/volkerraschek/helm:4.3.1
     runs-on: ubuntu-latest
     steps:
       - name: Install packages via apk

Chart.yaml

@@ -5,7 +5,7 @@ annotations:
     - name: support
       url: https://git.cryptic.systems/volker.raschek/reposilite-charts/issues
 apiVersion: v2
-appVersion: "3.6.5"
+appVersion: "3.6.4"
 description: |
   Lightweight and easy-to-use repository management software
   dedicated for the Maven based artifacts in the JVM ecosystem