⬆️(back) upgrade django-peertube-runner-connector to v0.12.1

https://github.com/openfun/django-peertube-runner-connector/releases/tag/v0.12.1

Author: lunika

src/backend/setup.cfg

@@ -45,7 +45,7 @@ install_requires =
     django-redis==5.4.0
     django-safedelete==1.4.0
     django-storages==1.14.3
-    django-peertube-runner-connector==0.12.0
+    django-peertube-runner-connector==0.12.1
     django-waffle==4.1.0
     Django<5
     djangorestframework==3.15.2