Merge pull request #159 from stlehmann/dependabot/pip/jinja2-3.1.3

Bump jinja2 from 2.11.1 to 3.1.3

Author: Sohaib90

example/requirements.txt

@@ -9,7 +9,7 @@ Flask-MQTT==1.0.5
 Flask-SocketIO==3.3.2
 greenlet==0.4.15
 itsdangerous==1.1.0
-Jinja2==2.11.1
+Jinja2==3.1.3
 MarkupSafe==1.1.1
 monotonic==1.5
 paho-mqtt==1.5.0