Merge pull request #244 from s6n-jp/renovate/ingress-nginx-4.x

build(deps): update helm release ingress-nginx to v4.12.1

Author: siketyan

apps/ingress-nginx/app.yaml

@@ -11,7 +11,7 @@ spec:
   source:
     repoURL: https://kubernetes.github.io/ingress-nginx
     chart: ingress-nginx
-    targetRevision: 4.12.0
+    targetRevision: 4.12.1
     helm:
       values: |-
         controller: