Remove trailing slash from api paths

A proxy refused to include trailing slashes, and so they have been
removed.

Resolves: GREG-76

greg/api/urls.py

@@ -23,34 +23,33 @@ router.register(r"orgunit", OrganizationalUnitViewSet, basename="orgunit")
 
 urlpatterns = router.urls
 
-# Allowing trailing slashes to be optional for the URLs below
 urlpatterns += [
     re_path(
-        r"^persons/(?P<person_id>[0-9]+)/roles/?$",
+        r"^persons/(?P<person_id>[0-9]+)/roles$",
         RoleViewSet.as_view({"get": "list", "post": "create"}),
         name="person_role-list",
     ),
     re_path(
-        r"^persons/(?P<person_id>[0-9]+)/roles/(?P<id>[0-9]+)/?$",
+        r"^persons/(?P<person_id>[0-9]+)/roles/(?P<id>[0-9]+)$",
         RoleViewSet.as_view(
             {"get": "retrieve", "patch": "partial_update", "delete": "destroy"}
         ),
         name="person_role-detail",
     ),
     re_path(
-        r"^persons/(?P<person_id>[0-9]+)/identities/?$",
+        r"^persons/(?P<person_id>[0-9]+)/identities$",
         IdentityViewSet.as_view({"get": "list", "post": "create"}),
         name="person_identity-list",
     ),
     re_path(
-        r"^persons/(?P<person_id>[0-9]+)/identities/(?P<id>[0-9]+)/?$",
+        r"^persons/(?P<person_id>[0-9]+)/identities/(?P<id>[0-9]+)$",
         IdentityViewSet.as_view(
             {"get": "retrieve", "delete": "destroy", "patch": "partial_update"}
         ),
         name="person_identity-detail",
     ),
     re_path(
-        r"^sponsors/(?P<sponsor_id>[0-9]+)/guests/?$",
+        r"^sponsors/(?P<sponsor_id>[0-9]+)/guests$",
         SponsorGuestsViewSet.as_view({"get": "list"}),
         name="sponsor_guests-list",
     ),

greg/urls.py

@@ -24,12 +24,12 @@ from greg.api.views.health import Health
 
 urlpatterns: List[URLResolver] = [
     path(
-        "schema/",
+        "schema",
         SpectacularAPIView.as_view(versioning_class=NamespaceVersioning),
         name="schema",
     ),  # type: ignore
     path(
-        "schema/swagger-ui/",
+        "schema/swagger-ui",
         SpectacularSwaggerView.as_view(
             url_name="schema", versioning_class=NamespaceVersioning
         ),  # type: ignore