Fix Python/apidaora start/stop issues (#7211)

frameworks/Python/apidaora/requirements.txt

@@ -1,6 +1,6 @@
 asyncpg==0.21.0
 gunicorn==20.0.4
-jinja2==2.11.3
+jinja2==3.0.3
 uvloop==0.14.0
 uvicorn==0.11.7
 apidaora==0.26.0