WIP: code actions for diagnostics #1748

# to view logs

Job	Run time
build (ubuntu, >=20,<21, >=4.1.0,<5.0.0a0, >=4)	3m 12s
jstest/lint (ubuntu, >=20,<21, >=4.1.0,<5.0.0a0, >=4)	3m 56s
smoke source install ubuntu py3.8 lab>=4.1.0,<5	1m 52s
atest ubuntu py3.8 r>=4	38m 51s
smoke source install ubuntu py3.11 lab>=4.1.0,<5	1m 51s
atest ubuntu py3.11 r>=4	39m 47s
atest macos py3.8 r>=4	4m 10s
atest macos py3.11 r>=4	36m 50s
atest windows py3.8 r>=4	53m 54s
atest windows py3.11 r>=4	43m 13s
smoke ${{ matrix.os }} py${{ matrix.python }}	0s
	3h 47m 36s

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