Bump jinja2 from 3.1.4 to 3.1.6 in /tools/ci

Bumps [jinja2](https://github.com/pallets/jinja) from 3.1.4 to 3.1.6.
- [Release notes](https://github.com/pallets/jinja/releases)
- [Changelog](https://github.com/pallets/jinja/blob/main/CHANGES.rst)
- [Commits](pallets/jinja@3.1.4...3.1.6)

---
updated-dependencies:
- dependency-name: jinja2
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Diff for: tools/ci/requirements_build.txt

@@ -1,5 +1,5 @@
 cairocffi==1.7.0
 fonttools==4.51.0
 genshi==0.7.7
-jinja2==3.1.4
+jinja2==3.1.6
 pyyaml==6.0.1