Log Message:
fontforge: update to 20220308.

This release contains numerous fixes and feature updates since the last release.

Major updates:

    Python plugin support (#4642, #4682, #4671) @skef
    Overhauled resource/appearance management (#4704) @skef
    Merge/Simplify improvements (#4567, #4697) @linusromer
    Updated Unicode support to Unicode 14.0.0, with nameslist functionality now \ 
directly integrated. (#4810) @jtanx
    Add Points Of Inflection / Balance / Harmonize (#4900) @linusromer
    Mac bundle/startup fixes (#4827) @jtanx
    Language system tag list/script range/feature list updates (#4561, #4852, \ 
#4854, #4855) @dscorbett

Build changes:

    The minimum supported Python version is now Python 3.6
    Libuninameslist is no longer used or required
    FontForge is now compiled with -Wall by default