Automatic merge from submit-queue
Don't print message at the top of `set selector` or `set subject`
**What this PR does / why we need it**:
Stop printing "running in local/dry-run mode..." at the top of `set selector` or `set subject`, because the user may be trying to pipe the output of this command as the input to another.
**Which issue this PR fixes**:
fixes#46505
**Special notes for your reviewer**:
This PR makes `set subject` and `set resources` consistent with similar commands in the same directory.
**Release note**:
```release-note
`set selector` and `set subject` no longer print "running in local/dry-run mode..." at the top, so their output can be piped as valid yaml or json
```