Change design of role badges in web UI (#26281)

Co-authored-by: Claire <claire.github-309c@sitedethib.com>

Fix line clamp for link previews in web UI (#26286)

Fix wrong border radius on link cards in web UI (#26287)

Add List-Unsubscribe email header (#26085)

Fix AVIF attachments (#26264)

Change interaction modal input to disable browser spell-checking, capitalization and autocomplete (#26267)

Change /api/v1/peers/search to be case-insensitive when using Elasticsearch (#26268)

Do not normalize URL before fetching it (#26219)

Bump version to v4.1.6 (#26272)

Fix `Importer::BaseImporter#clean_up!` not using proper primary key (#26269)

Change aspect ratios on link previews in web UI (#26250)

Remove obsolete backport from Rails 7 (#26254)

Fix public TL not indicating new toots when `onlyRemote` is enabled (#26247)

Signed-off-by: Plastikmensch <plastikmensch@users.noreply.github.com>

Ignore the brakeman `PermitAttributes` check (#25915)

Load `rspec-rails` gem in `test` + `development` (#25768)

Profiling tools configuration improvement (#25383)

Fix `RSpec/EmptyExampleGroup` cop (#24735)

Add coverage for `URLValidator` (#25591)

Add coverage for `LanguageValidator` (#25593)

Update rubocop rules for linelength (#26190)