chore: Support pre-build grpc artefacts for CI jobs #12

Job	Run time
Build gRPC artifacts (Release, gcc, g++, 11)	48m 8s
Build gRPC artifacts (Release, clang, clang++, 14)	50m 21s
Build gRPC artifacts (Release, clang, clang++, 17, true)	53m 37s
Build gRPC artifacts (Debug, gcc, g++, 11)	49m 31s
Build gRPC artifacts (Debug, gcc, g++, 12)	58m 21s
Build gRPC artifacts (Debug, clang, clang++, 14)	47m 52s
Build gRPC artifacts (Debug, clang, clang++, 17, true)	50m 40s
Build gRPC artifacts (clang, clang++, 14, Tsan)	44m 25s
Build gRPC artifacts (clang, clang++, 14, Asan)	45m 0s
	7h 27m 55s

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