Replace mirror.centos.org with vault.centos.org Centos 7 Containerfile #4108

Job	Run time
Run unit tests in containers (Run unit tests for el9toel10 and common repositories on python 3.12...	55s
Run unit tests in containers (Run python linters for el9toel10 and common repositories on python ...	1m 18s
Run unit tests in containers (Run unit tests for el9toel10 and common repositories on python 3.9,...	56s
Run unit tests in containers (Run python linters for el9toel10 and common repositories on python ...	1m 18s
Run unit tests in containers (Run unit tests for el8toel9 and common repositories on python 3.9, ...	56s
Run unit tests in containers (Run python linters for el8toel9 and common repositories on python 3...	1m 52s
Run unit tests in containers (Run unit tests for el8toel9 and common repositories on python 3.6, ...	1m 5s
Run unit tests in containers (Run python linters for el8toel9 and common repositories on python 3...	3m 28s
Run unit tests in containers (Run unit tests for el7toel8 and common repositories on python 3.6, ...	1m 12s
Run unit tests in containers (Run python linters for el7toel8 and common repositories on python 3...	4m 15s
Run unit tests in containers (Run unit tests for el7toel8 and common repositories on python 2.7, ...	1m 28s
Run unit tests in containers (Run python linters for el7toel8 and common repositories on python 2...	6m 45s
	25m 28s

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