Automatic merge from submit-queue (batch tested with PRs 50000, 49954, 49943, 50018, 49607)
Add [sig-autoscaling] prefix to autoscaling e2e tests
**What this PR does / why we need it**:
Add [sig-autoscaling] prefix to autoscaling e2e tests
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
Umbrella issue #49161
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```