Update dependency jinja2 to v3.1.6 [SECURITY]

Author: renovate[bot]

requirements.txt

@@ -14,7 +14,7 @@ requests>=2.28.3
 requests-toolbelt==0.10.1
 gitpython>=3.1.30
 gunicorn==20.1.0
-jinja2==3.1.2
+jinja2==3.1.6
 typing-extensions>=4.4.0
 contextvars>=2.4
 git+https://github.com/redhataccess/pantheon-uploader.git