revert gorm/postgres driver version to be compitable with the proxy #6058

Job	Run time
build (activation-service)	17s
build-docker (activation-service)	35s
build (farmerbot)	20s
build-docker (farmerbot)	35s
build (grid-cli)	27s
build-docker (grid-cli)	40s
build (grid-proxy)	40s
build-docker (grid-proxy)	44s
build (gridify)	25s
build-docker (gridify)	40s
build-docker (monitoring-bot)	34s
build-docker (user-contracts-mon)	43s
build (monitoring-bot)	32s
build-docker (tfrobot)	38s
build (user-contracts-mon)	27s
build (tfrobot)	29s
	8m 46s

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