Merge branch 'renovate/kubeimage-kube-proxy-amd64-1.x' into 'development'

Update kubeimage/kube-proxy-amd64 Docker tag to v1.21.1

See merge request !25

hardening_manifest.yaml

@@ -8,7 +8,7 @@ name: "opensource/kubernetes-1.19/kube-proxy-1.19"
 # The most specific version should be the first tag and will be shown
 # on ironbank.dsop.io
 tags:
-- "v1.19.11"
+- "v1.21.1"
 - "latest"
 
 # Build args passed to Dockerfile ARGs
@@ -27,7 +27,7 @@ labels:
   org.opencontainers.image.url: "docker://k8s.gcr.io/kube-proxy"
   ## Name of the distributing entity, organization or individual
   org.opencontainers.image.vendor: "opensource"
-  org.opencontainers.image.version: "v1.19.11"
+  org.opencontainers.image.version: "v1.21.1"
   ## Keywords to help with search (ex. "cicd,gitops,golang")
   mil.dso.ironbank.image.keywords: "kube-proxy"
   ## This value can be "opensource" or "commercial"