Merge branch 'main' into glitch-soc/merge-upstream

Conflicts:
- `app/controllers/api/v1/statuses_controller.rb`:
  Upstream moved things around in a place where glitch-soc had support for
  an extra parameter (`content_type`).
  Follow upstream but reintroduce `content_type`.

spec/policies/status_policy_spec.rb

@@ -137,7 +137,7 @@ RSpec.describe StatusPolicy, type: :model do
     end
   end
 
-  permissions :index?, :update? do
+  permissions :index? do
     it 'grants access if staff' do
       expect(subject).to permit(admin.account)
     end
@@ -146,4 +146,18 @@ RSpec.describe StatusPolicy, type: :model do
       expect(subject).to_not permit(alice)
     end
   end
+
+  permissions :update? do
+    it 'grants access if staff' do
+      expect(subject).to permit(admin.account, status)
+    end
+
+    it 'grants access if owner' do
+      expect(subject).to permit(status.account, status)
+    end
+
+    it 'denies access unless staff' do
+      expect(subject).to_not permit(bob, status)
+    end
+  end
 end