revert gorm/postgres driver version to be compitable with the proxy #6053

Job	Run time
build-docker (activation-service)	31s
build (activation-service)	24s
build-docker (farmerbot)	33s
build (farmerbot)	37s
build-docker (grid-cli)	33s
build (grid-cli)	26s
build-docker (grid-proxy)	49s
build (grid-proxy)	37s
build-docker (gridify)	36s
build (gridify)	30s
build-docker (monitoring-bot)	37s
build (monitoring-bot)	25s
build-docker (user-contracts-mon)	34s
build-docker (tfrobot)	36s
build (user-contracts-mon)	28s
build (tfrobot)	30s
	8m 46s

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