Version in base suite: 7:5.1.8-0+deb12u1
Base version: ffmpeg_7:5.1.8-0+deb12u1
Target version: ffmpeg_7:5.1.9-0+deb12u1
Base files: ffmpeg_5.1.8-0+deb12u1.dsc
Target files: ffmpeg_5.1.9-0+deb12u1.dsc

+W: build-depends-on-obsolete-package Build-Depends: pkg-config => pkgconf