Fix the block font to load with current fontconfig

Fontconfig has started to be more picky about ttf
files. Arguably, that is a bug:
https://gitlab.freedesktop.org/fontconfig/fontconfig/-/issues/259

Until it is fixed, we can work around the problem
by giving the font some more metadata to convince
fontconfig to load it.
1 job for fix-block-font in 29 minutes and 39 seconds
Status Job ID Name Coverage
  Test
failed #907653
flatpak
flatpak

00:29:39

 
Name Stage Failure
failed
flatpak Test
Error: module gnome-builder: Child process exited with code 1
Uploading artifacts for failed job
Uploading artifacts...
WARNING: gnome-builder-git.flatpak: no matching files
WARNING: repo.tar: no matching files
.flatpak-builder/build/gnome-builder/_flatpak_build/meson-logs/meson-log.txt: found 1 matching files and directories

WARNING: .flatpak-builder/build/gnome-builder/_flatpak_build/meson-logs/testlog.txt: no matching files
Uploading artifacts as "archive" to coordinator... ok
id=907653 responseStatus=201 Created token=phMnWUHF
ERROR: Job failed: exit code 1