Bump fonttools from 4.38.0 to 4.43.0 in /libraries/models

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] <support@github.com>

Author: dependabot[bot]

libraries/models/requirements.txt

@@ -1,4 +1,4 @@
-fonttools==4.38.0
+fonttools==4.43.0
 Jinja2==3.1.3
 MarkupSafe==2.1.3
 oyaml==1.0