Automatic merge from submit-queue (batch tested with PRs 62901, 66562, 66938, 66927, 66926). 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>.
Eventratelimit aggregates all reject errors
Previously, Eventratelimit validates event by each limiter but only returns the last reject error. Which is not accurate, so here I aggregate each error.
**Release note**:
```release-note
NONE
```