Merge commit 'd97d31cce664281d868e4c661451687a301c97c8' into glitch-soc/merge-upstream

Conflicts:
- `app/models/account.rb`:
  Upstream refactored this file a bit, moving validation limits to constants.
  We already had a similar change, although with different constant names.
  Updated to match upstream's code.

The following files were also modified accordingly:
- `app/views/settings/profiles/show.html.haml`
- `spec/requests/api/v1/accounts/credentials_spec.rb`

spec/requests/api/v1/accounts/credentials_spec.rb

@@ -79,7 +79,7 @@ RSpec.describe 'credentials API' do
     end
 
     describe 'with invalid data' do
-      let(:params) { { note: "This is too long. #{'a' * Account::MAX_NOTE_LENGTH}" } }
+      let(:params) { { note: "This is too long. #{'a' * Account::NOTE_LENGTH_LIMIT}" } }
 
       it 'returns http unprocessable entity' do
         subject