Use only Gaia v11 on CI #1738

Job	Run time
multi-chains-test (gaia11, gaiad, cosmos, evmos, evmosd, evmos)	46m 26s
multi-chains-test (gaia11, gaiad, cosmos, osmosis, osmosisd, osmo)	51m 13s
multi-chains-test (gaia11, gaiad, cosmos, stride, strided, stride)	42m 16s
multi-chains-test (gaia11, gaiad, cosmos, juno, junod, juno)	50m 36s
multi-chains-test (ibc-go-v7-simapp, simd, cosmos, evmos, evmosd, evmos)	51m 15s
multi-chains-test (ibc-go-v7-simapp, simd, cosmos, osmosis, osmosisd, osmo)	57m 5s
multi-chains-test (ibc-go-v7-simapp, simd, cosmos, stride, strided, stride)	48m 38s
multi-chains-test (ibc-go-v7-simapp, simd, cosmos, juno, junod, juno)	55m 47s
multi-chains-test (wasmd, wasmd, wasm, evmos, evmosd, evmos)	54m 24s
multi-chains-test (wasmd, wasmd, wasm, osmosis, osmosisd, osmo)	59m 10s
multi-chains-test (wasmd, wasmd, wasm, stride, strided, stride)	51m 0s
multi-chains-test (wasmd, wasmd, wasm, juno, junod, juno)	51m 51s
	10h 19m 41s

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