Blivet 3.10.1

• tests: Add a test case with MD array on LUKS (vtrefny)
• Add support for setting label when creating GFS2 format (vtrefny)
• tests: add dbus example to traverse the devices and call test the factory() (tgill)
• fix issue #1239 (koito_coco)
• fix compare uuid fail (iasunsea)
• Remove support for the MD linear RAID level (vtrefny)
• ci: Fix repository name in job name in check.yml (vtrefny)
• Fix pylint 'possibly-used-before-assignment' warnings (vtrefny)
• Fix skipping btrfs calls when libblockdev btrfs plugin is missing (vtrefny)