Axisregistry

- Adding [ZROT] Rotation in Z custom axis by vv-monsalve in 137
- Update z_rotation.textproto with fallback_only field by chrissimpkins in 140
- Add test for proto wellformedness (no missing required fields) by simoncozens in 143
- Update requirements.txt by felipesanches in 146
- Adding [ARRR] AR Retinal Resolution custom Axis by vv-monsalve in 141
- If we delete a name STAT was using, put it back by simoncozens in 154

- Adding [SHRP] Sharpness custom Axis by vv-monsalve in 121
- Delete MUTA axis by vv-monsalve in 124
- Adding [YALN] Y Alignment custom Axis by vv-monsalve in 125

- update name builders 133

- build_name_table: set bits as well 131

- 120 MORPH axis added
- 119 VOLM axis updated
- 118 XROT YROT updated
- 115 FLAR axis updated
- 97 OPSZ range increase

- Update x_rotation.textproto 05a0728
- Update y_rotation.textproto 944a3e7
- Add Spacing [SPAC] axis 62
- Add Informality [INFM] axis 90
- Add Bounce [BNCE] axis 63
- tests/data/RobotoFlex-ttf Correct Optical Size title case 2d86d4c
- Add Mutation [MUTA] axis 100
- Update width.textproto 105
- Update wonky.textproto 107
- Also protect STAT table name IDs from the axis list 108
- Fix ci 110