Merge commit '1fc165de02d79294c8a218f5fa82bcd477484ca1' into glitch-soc/merge-upstream

Conflicts:
- `.env.production.sample`:
  Upstream added a block of three environment variables, while glitch-soc
  has a different version of the file overall.
  Added upstream's changes.
- `app/helpers/application_helper.rb`:
  Upstream added a helper, while glitch-soc had extra helpers.
  Added upstream's helper.

.env.production.sample

@@ -73,6 +73,16 @@ DB_PORT=5432
 SECRET_KEY_BASE=
 OTP_SECRET=
 
+# Encryption secrets
+# ------------------
+# Must be available (and set to same values) for all server processes
+# These are private/secret values, do not share outside hosting environment
+# Use `bin/rails db:encryption:init` to generate fresh secrets
+# Do not change these secrets once in use, as this would cause data loss and other issues
+# ------------------
+# ACTIVE_RECORD_ENCRYPTION_DETERMINISTIC_KEY=
+# ACTIVE_RECORD_ENCRYPTION_KEY_DERIVATION_SALT=
+# ACTIVE_RECORD_ENCRYPTION_PRIMARY_KEY=
 
 # Web Push
 # --------