Bump fonttools from 4.42.1 to 4.43.0 in /envs

Bumps [fonttools](https://github.com/fonttools/fonttools) from 4.42.1 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@4.42.1...4.43.0)

---
updated-dependencies:
- dependency-name: fonttools
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

envs/requirements.txt

@@ -7,7 +7,7 @@ charset-normalizer==3.2.0
 click==8.1.7
 contourpy==1.1.1
 cycler==0.12.0
-fonttools==4.42.1
+fonttools==4.43.0
 future==0.18.3
 idna==3.4
 imagecodecs==2023.9.18