Changelog for pngcheck-extras-3.0.3-8.el9.x86_64.rpm :

* Fri Dec 13 2024 Benjamin A. Beasley - 3.0.3-8- Add a SourceLicense field
* Fri Dec 13 2024 Benjamin A. Beasley - 3.0.3-6- Convert License to SPDX
* Fri Dec 13 2024 Benjamin A. Beasley - 3.0.3-5- Reduce macro indirection in the spec file