Merge branch 'main' into glitch-soc/merge-upstream

Conflicts:
- `.env.production.sample`:
  Upstream added new configuration options, uncommented by default.
  Commented them.
- `Gemfile.lock`:
  Upstream updated dependencies textually close to glitch-soc-specific
  dependencies.
  Updated those upstream dependencies.

config/routes.rb

@@ -463,6 +463,7 @@ Rails.application.routes.draw do
         member do
           post :follow
           post :unfollow
+          post :remove_from_followers
           post :block
           post :unblock
           post :mute