Merge pull request #45982 from fabianofranz/more_sig_cli_owners

Automatic merge from submit-queue

More owners from SIG-CLI

Adds SIG-CLI as reviewers and approvers of `cmd/clicheck/` and adds me + @pwittrock as approvers in `hack/` (mostly for `test-cmd` and some `hack/verify*.sh` and `hack/update*.sh` scripts).

**Release note**:

```release-note
NONE
```

cmd/clicheck/OWNERS

@@ -0,0 +1,4 @@
+approvers:
+- sig-cli-maintainers
+reviewers:
+- sig-cli

hack/OWNERS

@@ -9,11 +9,13 @@ reviewers:
 approvers:
   - deads2k
   - eparis
+  - fabianofranz
   - fejta
   - ixdy
   - jbeda
   - lavalamp
   - madhusudancs
+  - pwittrock
   - shashidharatd
   - spxtr
   - zmerlynn