feat(python): Custom format checkers #1110

Job	Run time
Build on wasm32-unknown-unknown	19s
Test draft201909 (stable) on ubuntu-22.04	51s
Test draft202012 (stable) on ubuntu-22.04	35s
Verify commit messages	43s
Rustfmt	16s
Test draft201909 (stable) on macos-12	1m 7s
Test draft202012 (stable) on macos-12	1m 19s
Python 3.7 on ubuntu-22.04	2m 22s
Test draft201909 (stable) on windows-2022	2m 13s
Python 3.8 on ubuntu-22.04	1m 56s
Test draft202012 (stable) on windows-2022	2m 45s
Clippy	30s
Run test coverage	42s
Check features	49s
Python 3.9 on ubuntu-22.04	1m 50s
Generic pre-commit checks	23s
Python 3.10 on ubuntu-22.04	1m 56s
Python 3.11 on ubuntu-22.04	1m 52s
Python 3.12 on ubuntu-22.04	2m 7s
Python 3.7 on macos-12	5m 53s
Python 3.8 on macos-12	4m 19s
Python 3.9 on macos-12	5m 55s
Python 3.10 on macos-12	5m 44s
Python 3.11 on macos-12	4m 55s
Python 3.12 on macos-12	5m 0s
Python 3.7 on windows-2022	4m 41s
Python 3.8 on windows-2022	4m 19s
Python 3.9 on windows-2022	5m 17s
Python 3.10 on windows-2022	4m 19s
Python 3.11 on windows-2022	4m 13s
Python 3.12 on windows-2022	4m 48s
	1h 23m 58s

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