fix #17601 change `:keys` to `:attribute_names` (Kawsay)
https://github.com/mastodon/mastodon/pull/17637

Fix reporting from profile (ClearlyClaire)
https://github.com/mastodon/mastodon/pull/17632

Change report modal to include category selection in web UI (Gargron)
https://github.com/mastodon/mastodon/pull/17565

Fix new sign-up notification not working because of incorrect type name (ClearlyClaire)
https://github.com/mastodon/mastodon/pull/17629

Fix link in new hashtag notification email (noiob)
https://github.com/mastodon/mastodon/pull/17624

Add notifications for new sign-ups (Gargron)
https://github.com/mastodon/mastodon/pull/16953

Calculate max_id without random vector on "tootctl statuses remove" (tribela)
https://github.com/mastodon/mastodon/pull/17623

Skip Docker Hub login for pull requests (ykzts)
https://github.com/mastodon/mastodon/pull/17625