Merge pull request #1008 from searxng/dependabot/pip/master/jinja2-3.1.0

Bump jinja2 from 3.0.3 to 3.1.0

requirements.txt

@@ -2,7 +2,7 @@ certifi==2021.10.8
 babel==2.9.1
 flask-babel==2.0.0
 flask==2.0.3
-jinja2==3.0.3
+jinja2==3.1.0
 lxml==4.8.0
 pygments==2.11.2
 python-dateutil==2.8.2