First draft of running linting and unit tests separately. #3983

Job	Run time
Run unit tests in containers (Run unit tests for el9toel10 and common repositories on python 3.12...	1m 3s
Run unit tests in containers (Run python linters for el9toel10 and common repositories on python ...	1m 10s
Run unit tests in containers (Run unit tests for el9toel10 and common repositories on python 3.9,...	49s
Run unit tests in containers (Run python linters for el9toel10 and common repositories on python ...	1m 14s
Run unit tests in containers (Run unit tests for el8toel9 and common repositories on python 3.9, ...	57s
Run unit tests in containers (Run python linters for el8toel9 and common repositories on python 3...	1m 26s
Run unit tests in containers (Run unit tests for el8toel9 and common repositories on python 3.6, ...	1m 14s
Run unit tests in containers (Run python linters for el8toel9 and common repositories on python 3...	3m 10s
Run unit tests in containers (Run unit tests for el7toel8 and common repositories on python 3.6, ...	1m 14s
Run unit tests in containers (Run python linters for el7toel8 and common repositories on python 3...	3m 58s
Run unit tests in containers (Run unit tests for el7toel8 and common repositories on python 2.7, ...	1m 24s
Run unit tests in containers (Run python linters for el7toel8 and common repositories on python 2...	6m 13s
	23m 52s

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