Automatic merge from submit-queue (batch tested with PRs 60465, 61773, 61371, 61146). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
Adding resource constraints for fluentd-gcp
**What this PR does / why we need it**:
Adds resource constraints to `fluentd-gcp`. Values mostly lifted from `fluentd-es`, cpu cap set to a sensible value after reviewing various threads.
**Which issue(s) this PR fixes**
Fixes#55416
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```