Automatic merge from submit-queue (batch tested with PRs 44862, 42241, 42101, 43181, 44147)

Add short name "netpol" for networkpolicies

**What this PR does / why we need it**:
Add short name for `networkpolicies` in kubectl command for good user experience.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
None

**Special notes for your reviewer**:
None

**Release note**:

```release-note
Add short name "netpol" for networkpolicies
```