Update fonttools to 4.52.1

[pyup-bot]

This PR updates FontTools[unicode,ufo,lxml] from 4.48.1 to 4.52.1.

Changelog

4.52.1

----------------------------

- Fixed a small syntax error in the reStructuredText-formatted NEWS.rst file
which caused the upload to PyPI to fail for 4.52.0. No other code changes.

4.52.0

----------------------------

- Added support for the new ``VARC`` (Variable Composite) table that is being
proposed to OpenType spec (3395). For more info:
https://github.com/harfbuzz/boring-expansion-spec/blob/main/VARC.md
- [ttLib.__main__] Fixed decompiling all tables (90fed08).
- [feaLib] Don't reference the same lookup index multiple times within the same
feature record, it is only applied once anyway (3520).
- [cffLib] Moved methods to desubroutinize, remove hints and unused subroutines
from subset module to cffLib (3517).
- [varLib.instancer] Added support for partial-instancing CFF2 tables! Also, added
method to down-convert from CFF2 to CFF 1.0, and CLI entry points to convert
CFF<->CFF2 (3506).
- [subset] Prune unused user name IDs even with --name-IDs='*' (3410).
- [ttx] use GNU-style getopt to intermix options and positional arguments (3509).
- [feaLib.variableScalar] Fixed ``value_at_location()`` method (3491)
- [psCharStrings] Shorten output of ``encodeFloat`` (3492).
- [bezierTools] Fix infinite-recursion in ``calcCubicArcLength`` (3502).
- [avar2] Implement ``avar2`` support in ``TTFont.getGlyphSet()`` (3473).

4.51.0

----------------------------

- [ttLib] Optimization on loading aux fields (3464).
- [ttFont] Add reorderGlyphs (3468).

4.50.0

----------------------------

- [pens] Added decomposing filter pens that draw components as regular contours (3460).
- [instancer] Drop explicit no-op axes from TupleVariations (3457).
- [cu2qu/ufo] Return set of modified glyph names from fonts_to_quadratic (3456).

4.49.0

----------------------------

- [otlLib] Add API for building ``MATH`` table (3446)

Links

• PyPI: https://pypi.org/project/fonttools
• Changelog: https://data.safetycli.com/changelogs/fonttools/
• Repo: http://github.com/fonttools/fonttools

[pyup-bot]

Closing this in favor of #730