Add retries to some templating related failures #149
Merged
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In particular, after the replicated policy controller was created, multiple replicated policies for the same cluster can now be processed at the same time. This led to race conditions of each goroutine trying to create the policy encryption key for the first time.
This adds more retries to make hub templates more resilient.
Relates:
https://issues.redhat.com/browse/ACM-8744