Bump jinja2 from 3.0.3 to 3.1.3 in /frameworks/Python/flask (#8695)

Bumps [jinja2](https://github.com/pallets/jinja) from 3.0.3 to 3.1.3.
- [Release notes](https://github.com/pallets/jinja/releases)
- [Changelog](https://github.com/pallets/jinja/blob/main/CHANGES.rst)
- [Commits](https://github.com/pallets/jinja/compare/3.0.3...3.1.3)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

frameworks/Python/flask/requirements.txt

@@ -6,7 +6,7 @@ psycopg2-binary==2.9.3; implementation_name=='cpython'
 psycopg2-pool==1.1; implementation_name=='cpython'
 psycopg2cffi==2.9.0; implementation_name=='pypy'
 itsdangerous==2.1.2
-Jinja2==3.0.3
+Jinja2==3.1.3
 MarkupSafe==2.1.2
 ujson==5.4.0
 orjson==3.8.7; implementation_name=='cpython'