Bump fonttools from 4.33.3 to 4.43.0

Bumps [fonttools](https://github.com/fonttools/fonttools) from 4.33.3 to 4.43.0.
- [Release notes](https://github.com/fonttools/fonttools/releases)
- [Changelog](https://github.com/fonttools/fonttools/blob/main/NEWS.rst)
- [Commits](fonttools/fonttools@4.33.3...4.43.0)

---
updated-dependencies:
- dependency-name: fonttools
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -36,7 +36,7 @@ fontmake==3.3.0
 fontMath==0.9.2
 fontParts==0.10.5
 fontPens==0.2.4
-fonttools==4.33.3
+fonttools==4.43.0
 freetype-py==2.3.0
 fs==2.4.16
 gfdiffbrowsers==0.1.7