add python version support range to pyproject.toml (#903) #2644

Job	Run time
build (ubuntu-latest)	1m 52s
build_with_no_default_features (ubuntu-latest)	1m 46s
check (ubuntu-latest)	3m 1s
build (macos-latest)	1m 53s
build_with_no_default_features (macos-latest)	1m 58s
check (macos-latest)	3m 38s
build (windows-latest)	7m 58s
build_with_no_default_features (windows-latest)	3m 9s
Verify MSRV	1m 49s
unit	11m 7s
	38m 11s

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