Fix uncaught NoMethodError error in `/api/v1/admin/canonical_email_blocks/test` (#24947)

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

Make it possible to upload audio and video to Heroku app (#24866)

Bump rubocop-rails 2.19.1 with update .rubocop_todo.yml (#24469)

Autofix Rubocop Style/CaseLikeIf (#23756)

Spec coverage for settings/preferences/* controllers (#24825)

Fix Performance/DeletePrefix cop (#24796)

Rename `with_lock` to `with_redis_lock` to avoid confusion with ActiveRecord's method (#24741)

Add fallback redirection when getting a webfinger query `LOCAL_DOMAIN@LOCAL_DOMAIN` (#23600)

Co-authored-by: Eugen Rochko <eugen@zeonfederated.com>

Rewrite import feature (#21054)

Fix Rails/ActionOrder cop (#24692)

Change logged-out WebUI HTML pages to be cached for a few seconds (#24708)

Fix /api/v1/custom_emojis being cached even when unauthenticated API access is disallowed (#24665)

Fix /api/v1/instance/domain_blocks being unconditionally cached (#24662)

Fix /actor needlessly reading session cookie and varying on Signature (#24664)

Fix some user-independent endpoints potentially reading session cookies (#24650)

Fix anonymous visitors getting a session cookie on first visit (#24584)

Change unauthenticated responses to be cached in REST API (#24348)

Fix crash when SSO_ACCOUNT_SETTINGS is not defined (#24628)

Remove instance variables from helper usage (#24203)

Fix caching logic with regards to Accept-Language, Cookie, and Signature (#24604)