* Fix dnf_config_manager incompatibility with DNF5 (#12206)
* Extract fixtures from dnf_config_manager tests
* Implement support for DNF5
* Format code
(cherry picked from commit ff7f90fb4f)
* Exclude dnf_config_manager fixtures from trailing space check.
(cherry picked from commit ebb813680e)
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Co-authored-by: Maksym Hazevych <mhazevych@mailbox.org>
Co-authored-by: Felix Fontein <felix@fontein.de>
