GitHub App: add GITHUB_APP_NAME to context processor (#12325)

Missed this for readthedocs/ext-theme#631...

Author: stsewd

readthedocs/projects/views/private.py

@@ -481,6 +481,7 @@ def get_context_data(self, **kwargs):
         context["allow_private_repos"] = settings.ALLOW_PRIVATE_REPOS
         context["form_automatic"] = ProjectAutomaticForm(user=self.request.user)
         context["form_manual"] = ProjectManualForm(user=self.request.user)
+        context["GITHUB_APP_NAME"] = settings.GITHUB_APP_NAME
 
         return context