Merge pull request #65035 from immutableT/release-fix-for-kms-plugin-manifest

Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Add kms-plugin-container.manifest to release manifest tarball.

**What this PR does / why we need it**:
cluster/gce/manifests/kms-plugin-container.manifest needs to be included into the manifests' release tarball. 
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```

build/lib/release.sh

@@ -382,6 +382,7 @@ function kube::release::package_kube_manifests_tarball() {
   cp "${src_dir}/cluster-autoscaler.manifest" "${dst_dir}/"
   cp "${src_dir}/etcd.manifest" "${dst_dir}"
   cp "${src_dir}/kube-scheduler.manifest" "${dst_dir}"
+  cp "${src_dir}/kms-plugin-container.manifest" "${dst_dir}"
   cp "${src_dir}/kube-apiserver.manifest" "${dst_dir}"
   cp "${src_dir}/abac-authz-policy.jsonl" "${dst_dir}"
   cp "${src_dir}/kube-controller-manager.manifest" "${dst_dir}"

cluster/gce/manifests/BUILD

@@ -9,6 +9,7 @@ pkg_tar(
     mode = "0644",
 )
 
+# if you update this, also update function kube::release::package_kube_manifests_tarball() in build/lib/release.sh
 filegroup(
     name = "manifests",
     srcs = [