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

.gitea/workflows/helm.yaml

@@ -17,7 +17,7 @@ jobs:
     - uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6.1.0
     - uses: azure/setup-helm@9bc31f4ebc9c6b171d7bfbaa5d006ae7abdb4310 # v5.0.1
       with:
-        version: "v4.2.4" # renovate: datasource=github-tags depName=helm/helm
+        version: "v4.2.3" # renovate: datasource=github-tags depName=helm/helm
     - name: Lint helm files
       run: |
         helm lint --values values.yaml .
@@ -28,7 +28,7 @@ jobs:
     - uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6.1.0
     - uses: azure/setup-helm@9bc31f4ebc9c6b171d7bfbaa5d006ae7abdb4310 # v5.0.1
       with:
-        version: "v4.2.4" # renovate: datasource=github-tags depName=helm/helm
+        version: "v4.2.3" # renovate: datasource=github-tags depName=helm/helm
     - env:
         HELM_UNITTEST_VERSION: v1.0.0 #renovate: datasource=github-releases depName=helm-unittest/helm-unittest
       name: Install helm-unittest

.gitea/workflows/release.yaml

@@ -16,11 +16,11 @@ jobs:
     steps:
       - uses: volker-raschek/cosign-installer@7643eed6736a199595ed2a31e9979ec353a88adb # v4.1.3-rc3
         with:
-          cosign-release: "v3.1.3" # renovate: datasource=github-tags depName=sigstore/cosign
+          cosign-release: "v3.1.2" # renovate: datasource=github-tags depName=sigstore/cosign
 
       - uses: azure/setup-helm@9bc31f4ebc9c6b171d7bfbaa5d006ae7abdb4310 # v5.0.1
         with:
-          version: "v4.2.4" # renovate: datasource=github-tags depName=helm/helm
+          version: "v4.2.3" # renovate: datasource=github-tags depName=helm/helm
 
       - name: Install helm plugins
         env: