Update jinja2 requirement from ~=3.1.5 to ~=3.1.6

Updates the requirements on [jinja2](https://github.com/pallets/jinja) to permit the latest version.
- [Release notes](https://github.com/pallets/jinja/releases)
- [Changelog](https://github.com/pallets/jinja/blob/main/CHANGES.rst)
- [Commits](pallets/jinja@3.1.5...3.1.6)

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

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

Author: dependabot[bot]

requirements.txt

@@ -7,7 +7,7 @@ css-html-js-minify~=2.5.5
 docutils~=0.21.2
 idna~=3.10
 imagesize~=1.4.1
-Jinja2~=3.1.5
+Jinja2~=3.1.6
 lxml~=5.3.1
 m2r2~=0.3.3.post2
 MarkupSafe~=3.0.2