Add links for maintainers file in other files #7415

Job	Run time
docs	33s
gomod	57s
image_tags	1s
lint	4m 8s
reno_lint	47s
build (controller)	2m 36s
test (test)	11m 26s
build (kanctl)	2m 33s
test (integration-test)	8m 50s
build (kando)	2m 25s
test (helm-test)	3m 22s
release	0s
release_example_docker_images	0s
	37m 38s

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