Add loadbalance plugin to submariner-lighthouse-coredns configmap #5987

Job	Run time
Check branch dependencies	19s
No "Apply suggestions from code review" Commits	3s
Bundle validation	1m 5s
CRDs up-to-date	58s
Commit Message(s)	17s
Go	3m 18s
Dependency Licenses	2m 27s
Markdown Links (modified files)	10s
Markdown	12s
Package Documentation	36s
Shell	23s
Variant Analysis	3m 25s
Vulnerability Scanning	28s
YAML	14s
Embedded YAMLs up-to-date	1m 7s
	15m 2s

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