Update uharfbuzz requirement from <0.39.0,>=0.25.0 to >=0.25.0,<0.40.0

Updates the requirements on [uharfbuzz](https://github.com/trufont/uharfbuzz) to permit the latest version.
- [Release notes](https://github.com/trufont/uharfbuzz/releases)
- [Commits](harfbuzz/uharfbuzz@v0.25.0...v0.39.0)

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

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

pyproject.toml

@@ -64,7 +64,7 @@ opentype = [
     "fonttools>=4.33.3",
     # uharfbuzz sometimes includes breaking changes, so
     # we set an explicit range
-    "uharfbuzz>=0.25.0,<0.39.0",
+    "uharfbuzz>=0.25.0,<0.40.0",
 ]
 image-support = [
     # Only tested systematically on 8.x,