Bug 1823101 [wpt PR 39061] - Bump cairocffi from 1.3.0 to 1.5.0 in /tools, a=testonly

Automatic update from web-platform-tests
Bump cairocffi from 1.3.0 to 1.5.0 in /tools

Bumps [cairocffi](https://github.com/Kozea/cairocffi) from 1.3.0 to 1.5.0.
- [Release notes](https://github.com/Kozea/cairocffi/releases)
- [Changelog](https://github.com/Kozea/cairocffi/blob/master/NEWS.rst)
- [Commits](https://github.com/Kozea/cairocffi/compare/v1.3.0...v1.5.0)

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

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

wpt-commits: 3426f51fe3ae9913062b02c90338baac1e8cace7
wpt-pr: 39061

testing/web-platform/tests/tools/ci/requirements_build.txt

@@ -1,4 +1,4 @@
-cairocffi==1.3.0
+cairocffi==1.5.0
 fonttools==4.33.2
 genshi==0.7.7
 jinja2==3.1.2