Version 1.4.3

[1.4.3] - 2025-10-21

Other Changes

• ci: bump actions/checkout from 4 to 5 (#135)
• ci: rollout several recent changes to CI testing (#137)
• ci: support openSUSE Leap in qemu/kvm test matrix (#138)
• ci: use the new epel feature to enable EPEL for testing farm (#139)
• ci: use tox-lsr 3.12.0 for osbuild_config.yml feature (#141)
• test: ensure all facts/vars are defined for testing (#142)
• ci: use JSON format for __bootc_validation (#143)
• ci: bump actions/github-script from 7 to 8 (#144)