Use DynamicRESTMapper to reload REST mappings when types are not found. #663
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What type of PR is this?
/kind bug
What this PR does / why we need it:
We see some flakes because the default DiscoveryRESTMapper caches the REST mapping and never reloads it. This causes some races if types are not available when a client is initialized.
Which issue(s) this PR fixes:
Fixes #650
Special notes for your reviewer:
I copied this fix from the PR/issue here: kubernetes-sigs/controller-runtime#321
I'm not sure the proper way to cite it though.
Does this PR introduce a user-facing change?: