Bump fonttools from 4.41.0 to 4.43.0 in /forcingprocessor

Bumps [fonttools](https://github.com/fonttools/fonttools) from 4.41.0 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@4.41.0...4.43.0)

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

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

forcingprocessor/requirements.txt

@@ -22,7 +22,7 @@ entrypoints==0.4
 fasteners==0.18
 Fiona==1.9.4.post1
 flox==0.7.2
-fonttools==4.41.0
+fonttools==4.43.0
 fsspec==2023.6.0
 geopandas==0.13.2
 h5netcdf==1.2.0