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

Conflicts:
- `app/models/public_feed.rb`:
  Upstream refactored a bit, glitch-soc had specific code for local-only
  statuses.
  Updated glitch-soc's specific code accordingly.

package.json

@@ -167,7 +167,7 @@
     "tiny-queue": "^0.2.1",
     "uuid": "^8.3.1",
     "webpack": "^4.44.2",
-    "webpack-assets-manifest": "^3.1.1",
+    "webpack-assets-manifest": "^4.0.0",
     "webpack-bundle-analyzer": "^4.3.0",
     "webpack-cli": "^3.3.12",
     "webpack-merge": "^5.7.3",