Bump jinja2 from 2.11.2 to 2.11.3 in /frameworks/Python/aiohttp (#6476)

Bumps [jinja2](https://github.com/pallets/jinja) from 2.11.2 to 2.11.3.
- [Release notes](https://github.com/pallets/jinja/releases)
- [Changelog](https://github.com/pallets/jinja/blob/master/CHANGES.rst)
- [Commits](https://github.com/pallets/jinja/compare/2.11.2...2.11.3)

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

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

frameworks/Python/aiohttp/requirements.txt

@@ -2,7 +2,7 @@ aiohttp==3.7.4
 asyncpg==0.22.0
 cchardet==2.1.7
 gunicorn==20.0.4
-jinja2==2.11.2
+jinja2==2.11.3
 psycopg2==2.8.6
 SQLAlchemy==1.4.0b3
 ujson==2.0.3