chore(deps): update dependency jinja2 to v3 [security]

Author: renovate[bot]

docs/requirements.txt

@@ -13,7 +13,7 @@ hiro==0.5.1
 idna==2.9
 importlib-metadata==1.5.0; python_version < "3.8"
 isort==4.3.21
-jinja2==2.11.3
+jinja2==3.1.6
 joblib==0.16.0; python_version > "2.7"
 limits==1.5.1
 livereload==2.6.3