ci: Add errchkjson lint #3742

Job	Run time
build-docker	2m 13s
e2e-tests (ictest-cancel-upgrade)	4m 6s
e2e-tests (ictest-slashing-params-update-vaa)	4m 18s
e2e-tests (ictest-validator-hotswap)	4m 3s
e2e-tests (ictest-cw-wormhole)	8m 32s
e2e-tests (ictest-wormchain)	7m 7s
e2e-tests (ictest-cw-shutdown-contracts)	7m 16s
e2e-tests (ictest-upgrade)	10m 7s
	47m 42s

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