Merge pull request #67672 from dims/add-labels-to-owners-files

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 Labels to various OWNERS files

**What this PR does / why we need it**:

Will reduce the burden of manually adding labels. Information pulled
from:
https://github.com/kubernetes/community/blob/master/sigs.yaml

Change-Id: I17e661e37719f0bccf63e41347b628269cef7c8b

**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
```

test/integration/daemonset/OWNERS

@@ -7,3 +7,5 @@ reviewers:
 - lukaszo
 - janetkuo
 - kow3ns
+labels:
+- sig/apps

test/integration/deployment/OWNERS

@@ -5,3 +5,5 @@ reviewers:
 approvers:
   - janetkuo
   - kargakis
+labels:
+- sig/apps