Use the mutex pool provided by k8s keymutex #975
Merged
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The previous client cache locking scheme was not thread safe, and allocated more locks than are typically needed. This change replaces that approach by using the KeyMutex provided by the k8s utils package. Locks are now a pooled resource.
See https://pkg.go.dev/k8s.io/utils/keymutex#NewHashed for more info.
Other fixes