doc: correct broken links in quick start guide #602

Job	Run time
Linters	1m 4s
drenv tests (3.9)	1m 33s
Build image	2m 17s
Golangci Lint (.)	22s
drenv tests (3.10)	2m 27s
Golangci Lint (api)	13s
drenv tests (3.11)	1m 34s
Unit tests	4m 1s
ramenctl tests (3.9)	16s
ramenctl tests (3.10)	23s
ramenctl tests (3.11)	23s
Check artifacts and operator deployment (1.29.1)	1m 19s
Publish built image	0s
	15m 52s

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