Enable python lint in CI #12

Job	Run time
Soundness / Unacceptable language check	3s
Soundness / Documentation check	1m 31s
Soundness / License headers check	4s
Soundness / API breakage check	1m 45s
Soundness / Format check	0s
Soundness / Broken symlinks check	6s
Soundness / Python lint check	5s
Soundness / Shell check	0s
Soundness / YAML lint check	3s
Cxx interop / Cxx interop / Linux (5.9)	1m 13s
Cxx interop / Cxx interop / Linux (5.10)	1m 17s
Cxx interop / Cxx interop / Linux (6.0)	1m 23s
Cxx interop / Cxx interop / Windows (6.0)	1s
Cxx interop / Cxx interop / Windows (nightly-6.0)	3s
Cxx interop / Cxx interop / Linux (nightly-6.0)	1m 39s
Cxx interop / Cxx interop / Windows (nightly-main)	3s
Cxx interop / Cxx interop / Linux (nightly-main)	1m 46s
Unit tests / Unit tests / Linux (5.9)	3m 7s
Unit tests / Unit tests / Windows (6.0)	4s
Unit tests / Unit tests / Windows (nightly-6.0)	3s
Unit tests / Unit tests / Linux (5.10)	3m 7s
Unit tests / Unit tests / Windows (nightly-main)	3s
Unit tests / Unit tests / Linux (6.0)	2m 40s
Unit tests / Unit tests / Linux (nightly-6.0)	3m 7s
Unit tests / Unit tests / Linux (nightly-main)	3m 6s
	26m 19s

Provide feedback