Switch to latest Fontforge

[why]
Keep used fontforge version in line with Nerd Fonts.

Signed-off-by: Fini Jastrow <ulf.fini.jastrow@desy.de>

.github/workflows/ci.yaml

@@ -76,10 +76,11 @@ jobs:
 
     # Ubuntu 20.04 has only fontforge release 2020, but there are some vital bugfixes in the 2022 release
     # This can be replaced with the ordinary apt package when Ubuntu updates, probably with 22.10?
+    # On the other hand ... why not be on the latest release always?
     - name: Fetch FontForge
       run: |
         sudo apt install software-properties-common python3-fontforge fuse -y -q
-        curl -L "https://github.com/fontforge/fontforge/releases/download/20220308/FontForge-2022-03-08-582bd41-x86_64.AppImage" \
+        curl -L "https://github.com/fontforge/fontforge/releases/download/20230101/FontForge-2023-01-01-a1dad3e-x86_64.AppImage" \
           --output fontforge
         chmod u+x fontforge
         echo Try appimage