revert grpc version #5093

Job	Run time
check-formating	1m 25s
unit-tests	5m 51s
build-operator-image	2m 11s
vulnerability-scan	38s
smoke-tests (basic)	6h 4m 59s
smoke-tests (appframeworksS1)	1h 31m 45s
smoke-tests (managerappframeworkc3)	2h 59m 31s
smoke-tests (managerappframeworkm4)	1h 51m 11s
smoke-tests (managersecret)	1h 45m 47s
smoke-tests (managermc)	1h 32m 43s
	15h 56m 1s

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