Merge pull request kubernetes-sigs#9294 from furkatgofurov7/add-rt-members-to-docs-owners

🌱 Add Release Team OWNERS file to docs/release folder

Author: k8s-ci-robot

docs/release/OWNERS

@@ -0,0 +1,7 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+approvers:
+  - cluster-api-release-lead
+
+reviewers:
+  - cluster-api-release-team