pkg/controller: add SIG label to OWNERS

[neolit123]

What type of PR is this?
/kind cleanup

What this PR does / why we need it:
PRs against pkg/controller are missing SIG labels.
update the OWNER file to add sig/apps by default.

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
NONE

Special notes for your reviewer:
NONE

Does this PR introduce a user-facing change?:

NONE

[neolit123]

/priority backlog
/sig apps

[neolit123]

/assign @janetkuo @deads2k

[neolit123]

/retest

[neolit123]

bump
/cc @mikedanese @derekwaynecarr

[mikedanese]

Thanks. This makes sense to me for the most part. Certain controllers are not related to sig-apps but the false positives are pretty easily ignored.

/lgtm
/approve.

[neolit123]

thanks @mikedanese
this also needs a milestone in this phase of the cycle:
Must be in milestone v1.13.

[janetkuo]

/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: janetkuo, neolit123

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• pkg/controller/OWNERS [janetkuo]

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