Leftovers of PR #4771

dmartinol

This issue is defined to track the leftovers of #4771 that must be closed before the next release:

infra/feast-operator/config/samples/v1alpha1_featurestore_db_persistence.yaml: add sample secret link
Can you add simple tests for invalid store type for each of the feast service? link
Test overriding secret keys link
Fix examples in the decription (wrong usage of secretKeyName)
Use required fields in CRD type link, other
Describe CRD types link
Unit test incorrect types link