Automatic merge from submit-queue (batch tested with PRs 51229, 50131, 51074, 51167, 51213)
Fix typos in kubefed
**What this PR does / why we need it**:
Fix some typos in kubefed.
**Which issue this PR fixes** : fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```