Automatic merge from submit-queue (batch tested with PRs 62354, 62934, 63502). 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>.

Run resource discovery in parallel

best viewed ignoring whitespace (https://github.com/kubernetes/kubernetes/pull/63502/files?w=1)

on high-latency connections, serializing resource discovery requests across group versions can take significant amounts of time. this parallelizes the network request portion of the discovery call

xref #63368 

```release-note
NONE
```