Add cache to github runnerts #5880

Job	Run time
ci (lint)	11s
ci (lint)	4s
ci (lint)	6s
ci (test)	25s
ci (test)	4s
ci (test)	11s
ci (test-fuzz)	6s
ci (test-fuzz)	4s
ci (test-fuzz)	11s
ci (integration tests coreum-modules)	14s
ci (integration tests coreum-modules)	11s
ci (integration tests coreum-modules)	11s
ci (integration tests coreum-stress)	1h 3m 0s
ci (integration tests coreum-stress)	17s
ci (integration tests coreum-stress)	5s
ci (integration tests coreum-ibc)	7s
ci (integration tests coreum-ibc)	6s
ci (integration tests coreum-ibc)	5s
ci (integration tests coreum-upgrade-v4.0.0)	10s
ci (integration tests coreum-upgrade-v4.0.0)	5s
ci (integration tests coreum-upgrade-v4.0.0)	6s
	1h 5m 59s

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