Bump fonttools from 4.38.0 to 4.43.0

Bumps [fonttools](https://github.com/fonttools/fonttools) from 4.38.0 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@4.38.0...4.43.0)

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

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

requirements.txt

@@ -8,7 +8,7 @@ brotli==1.0.9
     # via -r requirements.in
 commonmark==0.9.1
     # via rich
-fonttools==4.38.0
+fonttools==4.43.0
     # via -r requirements.in
 pygments==2.15.0
     # via rich