Bump jinja2 from 3.1.4 to 3.1.6 in /python/web

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] <support@github.com>

Author: dependabot[bot]

python/web/requirements.txt

@@ -6,7 +6,7 @@ click==8.1.7
 Flask==3.0.0
 flask-babel==4.0.0
 itsdangerous==2.1.2
-Jinja2==3.1.4
+Jinja2==3.1.6
 MarkupSafe==2.1.3
 protobuf==3.20.2
 pytz==2023.3.post1