AAP-51502 Make authenticator.configuration reqd (#819)

Fixes the openapi spec for ATF and pins drf-spectacular in dev to the release version for consistency

Author: bhavenst

ansible_base/authentication/serializers/authenticator.py

@@ -35,7 +35,10 @@ class Meta:
             "slug": {
                 "allow_blank": True,
                 "required": False,
-            }
+            },
+            "configuration": {
+                "required": True,
+            },
         }
 
     # TODO: Do we need/want to delve into dicts and search their keys?

requirements/requirements_all.txt

@@ -50,7 +50,7 @@ djangorestframework==3.15.2
     # via
     #   -r requirements/requirements.in
     #   drf-spectacular
-drf-spectacular==0.28.0
+drf-spectacular==0.26.5
     # via -r requirements/requirements_api_documentation.in
 dynaconf==3.2.10
     # via -r requirements/requirements.in

requirements/requirements_api_documentation.in

@@ -1 +1 @@
-drf-spectacular
+drf-spectacular==0.26.5