Bump go version #695

Job	Run time
Prepare	7s
Test (GODOG_FEATURE=00_cluster_smoke make test)	3m 51s
Test (GODOG_FEATURE=00_sentinel_smoke make test)	4m 26s
Test (GODOG_FEATURE=01_cluster_maintenance make test)	8m 30s
Test (GODOG_FEATURE=01_sentinel_maintenance make test)	9m 16s
Test (GODOG_FEATURE=02_cluster_switchover_from make test)	7m 20s
Test (GODOG_FEATURE=02_sentinel_switchover_from make test)	8m 57s
Test (GODOG_FEATURE=03_cluster_switchover_to make test)	6m 43s
Test (GODOG_FEATURE=03_sentinel_switchover_to make test)	6m 41s
Test (GODOG_FEATURE=04_cluster_failover make test)	18m 37s
Test (GODOG_FEATURE=04_sentinel_failover make test)	20m 38s
Test (GODOG_FEATURE=05_cluster_replication_fix make test)	8m 31s
Test (GODOG_FEATURE=05_sentinel_replication_fix make test)	6m 51s
Test (GODOG_FEATURE=06_cluster_lost make test)	13m 27s
Test (GODOG_FEATURE=06_sentinel_lost make test)	13m 2s
Test (GODOG_FEATURE=07_cluster_local_repair make test)	16m 7s
Test (GODOG_FEATURE=07_sentinel_local_repair make test)	16m 56s
	2h 50m 0s

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