ref: fix typing for sentry.web.frontend.out (#63263)

<!-- Describe your PR here. -->

pyproject.toml

@@ -578,7 +578,6 @@ module = [
     "sentry.web.frontend.oauth_authorize",
     "sentry.web.frontend.oauth_token",
     "sentry.web.frontend.organization_integration_setup",
-    "sentry.web.frontend.out",
     "sentry.web.frontend.pipeline_advancer",
     "sentry.web.frontend.project_event",
     "sentry.web.frontend.react_page",

src/sentry/web/frontend/out.py

@@ -1,14 +1,14 @@
 from django.http import Http404, HttpResponseRedirect
+from django.http.response import HttpResponseBase
 from django.views.generic import View
 from rest_framework.request import Request
-from rest_framework.response import Response
 
 from sentry import options
 from sentry.utils.settings import is_self_hosted
 
 
 class OutView(View):
-    def get(self, request: Request) -> Response:
+    def get(self, request: Request) -> HttpResponseBase:
         if not is_self_hosted():
             raise Http404