Bump fonttools from 4.31.2 to 4.32.0 in /tools

Bumps [fonttools](https://github.com/fonttools/fonttools) from 4.31.2 to 4.32.0.
- [Release notes](https://github.com/fonttools/fonttools/releases)
- [Changelog](https://github.com/fonttools/fonttools/blob/main/NEWS.rst)
- [Commits](https://github.com/fonttools/fonttools/compare/4.31.2...4.32.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/tools/ci/requirements_build.txt b/tools/ci/requirements_build.txt
index a89c3b0..f83f7c6 100644
--- a/tools/ci/requirements_build.txt
+++ b/tools/ci/requirements_build.txt
@@ -1,4 +1,4 @@
 cairocffi==1.3.0
-fonttools==4.31.2
+fonttools==4.32.0
 genshi==0.7.6
 pyyaml==6.0