Add Support for Cache Size Limits for kopia server start #6802

Job	Run time
docs	29s
gomod	51s
image_tags	1s
lint	3m 37s
test (test)	10m 49s
reno_lint	39s
test (integration-test)	7m 46s
build (controller)	2m 27s
test (helm-test)	3m 5s
build (kanctl)	2m 25s
build (kando)	2m 14s
release	0s
release_example_docker_images	0s
	34m 23s

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