Fix path to manage.py

.github/workflows/ci.yml

@@ -41,7 +41,7 @@ jobs:
         ln -s configuration.testing.py netbox/netbox/configuration.py
 
     - name: Collect static files
-      run: python netbox/netbox/manage.py collectstatic --no-input
+      run: python netbox/manage.py collectstatic --no-input
 
     - name: Check PEP8 compliance
       run: pycodestyle --ignore=W504,E501 netbox/