Automatic merge from submit-queue (batch tested with PRs 55952, 49112, 55450, 56178, 56151). 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>.
New API group for Events.
Fixkubernetes/features#383
cc @shyamjvs
```release-note
Add events.k8s.io api group with v1beta1 API containing redesigned Event type.
```
Kubernetes-commit: 60c20901911c710491a57eb8b9c48850cdbab054
Automatic merge from submit-queue (batch tested with PRs 51321, 55969, 55039, 56183, 55976). 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>.
Kubectl apply and strategic merge patch using openapi
- [x] support openapi in strategic merge patch
- [x] test openapi in strategic merge patch
- [x] kubectl apply use openapi to calculate diff be default. It will fall back to use baked-in types when openapi is not available.
- [x] test openapi in kubectl apply
Fixes: kubernetes/kubectl#55
```release-note
kubectl apply use openapi to calculate diff be default. It will fall back to use baked-in types when openapi is not available.
```
/assign @apelisse
Kubernetes-commit: e412ad5393b8c949474b904616fc411c3aa478a9
Automatic merge from submit-queue (batch tested with PRs 55798, 49579, 54862, 55188, 51990). 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>.
Add monitoring support for hardware accelerators
Currently only NVIDIA GPU monitoring is implemented.
Feature repo issue: https://github.com/kubernetes/features/issues/369
cAdvisor PR: https://github.com/google/cadvisor/pull/1762
/kind feature
/sig node
/sig instrumentation
/area hw-accelerators
**Release note**:
```release-note
Kubelet now exposes metrics for NVIDIA GPUs attached to the containers.
```
Kubernetes-commit: 779105673ab2f00af9e02dc9ac3c6413588aeae4