deps(v7)!: bump IBC-Go v7.6.0 #119

Job	Run time
test	1m 53s
test	1m 53s
Linter	1m 32s
Linter	1m 32s
build-docker	2m 12s
build-docker	2m 12s
e2e-tests (ictest-forward)	6m 56s
e2e-tests (ictest-forward)	7m 13s
e2e-tests (ictest-timeout)	5m 24s
e2e-tests (ictest-timeout)	5m 24s
e2e-tests (ictest-upgrade)	3m 26s
e2e-tests (ictest-upgrade)	3m 26s
e2e-tests (ictest-nonrefundable)	8m 54s
e2e-tests (ictest-nonrefundable)	8m 54s
	1h 0m 51s

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