Bump fonttools from 4.31.1 to 4.43.0

Bumps [fonttools](https://github.com/fonttools/fonttools) from 4.31.1 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@4.31.1...4.43.0)

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

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

Author: dependabot[bot]

requirements-notebook.txt

@@ -17,7 +17,7 @@ decorator==5.1.1
 defusedxml==0.7.1
 entrypoints==0.4
 executing==0.8.3
-fonttools==4.31.1
+fonttools==4.43.0
 idna==3.3
 ipykernel==6.9.2
 ipython==8.10.0