Merge branch 'develop' into stable

Merge branch 'develop' into stable

Merge branch 'release/2.9.0' into 'stable'

Release/2.9.0

See merge request pleroma/pleroma!4331

Merge branch 'develop' into stable

Merge branch 'develop' into stable

Merge branch '2.8.0-release-fix' into 'stable'

CI: Allow failure for non-musl arm for now

See merge request pleroma/pleroma!4304

add changelog

### Changed

- Accept `application/activity+json` for requests to `/.well-known/nodeinfo`

### Fixed
- Truncate remote user fields, avoids them getting rejected
- Improve the `FollowValidator` to successfully incoming activities with an errant `cc` field.
- Resolved edge case where the API can report you are following a user but the relationship is not fully established.
- The Swoosh email adapter for Mailgun was missing a new dependency on `:multipart`
- Fix Mastodon WebSocket authentication

Merge branch 'release/2.7.0' into 'stable'

v2.7.0

See merge request pleroma/pleroma!4179

Merge branch 'develop' into stable