Use leader-with-lease based election in the operator #5928

Job	Run time
No "Apply suggestions from code review" Commits	8s
Bundle validation	1m 3s
CRDs up-to-date	58s
Check branch dependencies	28s
Commit Message(s)	29s
Go	3m 13s
Dependency Licenses	2m 26s
Markdown Links (modified files)	15s
Markdown	8s
Package Documentation	31s
Shell	10s
Variant Analysis	3m 2s
Vulnerability Scanning	27s
YAML	10s
Embedded YAMLs up-to-date	59s
	14m 27s

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