Remove pin to grpcio-tools==1.42.0 #2427

Job	Run time
Format	22s
Distribution build	24s
Check Python 3.9 on ubuntu-latest	13m 54s
Check Python 3.9 on windows-latest	20m 37s
Check Python 3.10 on ubuntu-latest	14m 41s
Check Python 3.10 on macos-latest	12m 31s
Check Python 3.10 on windows-latest	21m 23s
Check Python 3.11 on ubuntu-latest	11m 16s
Check Python 3.11 on macos-latest	11m 52s
Check Python 3.11 on windows-latest	17m 26s
	2h 4m 26s

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