Automatic merge from submit-queue (batch tested with PRs 50198, 49051, 48432)

New kubectl command: `kubectl set service-account`

**What this PR does / why we need it**:
Adds a command to update serviceaccount of resources with pod template

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
fixes #45147
**Special notes for your reviewer**:

**Release note**:

```
NONE
```