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

Conflicts:
- `README.md`:
  Minor upstream change, our README is completely different.
  Kept ours.
- `lib/tasks/assets.rake`:
  glitch-soc has extra code to deal with its theming system,
  upstream changed a line that exists in glitch-soc.
  Applied upstream changes.

Gemfile.lock

@@ -122,7 +122,7 @@ GEM
       debug_inspector (>= 0.0.1)
     blurhash (0.1.6)
       ffi (~> 1.14)
-    bootsnap (1.15.0)
+    bootsnap (1.16.0)
       msgpack (~> 1.2)
     brakeman (5.4.0)
     browser (4.2.0)
@@ -207,7 +207,7 @@ GEM
     docile (1.4.0)
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
-    doorkeeper (5.6.3)
+    doorkeeper (5.6.4)
       railties (>= 5)
     dotenv (2.8.1)
     dotenv-rails (2.8.1)
@@ -229,7 +229,7 @@ GEM
       tzinfo
     excon (0.95.0)
     fabrication (2.30.0)
-    faker (3.1.0)
+    faker (3.1.1)
       i18n (>= 1.8.11, < 2)
     faraday (1.9.3)
       faraday-em_http (~> 1.0)
@@ -511,7 +511,7 @@ GEM
       httpclient
       json-jwt (>= 1.11.0)
       rack (>= 2.1.0)
-    rack-proxy (0.7.0)
+    rack-proxy (0.7.6)
       rack
     rack-test (2.0.2)
       rack (>= 1.3)
@@ -611,7 +611,7 @@ GEM
       parser (>= 3.1.1.0)
     rubocop-capybara (2.17.0)
       rubocop (~> 1.41)
-    rubocop-performance (1.15.2)
+    rubocop-performance (1.16.0)
       rubocop (>= 1.7.0, < 2.0)
       rubocop-ast (>= 0.4.0)
     rubocop-rails (2.17.4)
@@ -744,7 +744,7 @@ GEM
       addressable (>= 2.8.0)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
-    webpacker (5.4.3)
+    webpacker (5.4.4)
       activesupport (>= 5.2)
       rack-proxy (>= 0.6.1)
       railties (>= 5.2)
@@ -770,7 +770,7 @@ DEPENDENCIES
   better_errors (~> 2.9)
   binding_of_caller (~> 1.0)
   blurhash (~> 0.1)
-  bootsnap (~> 1.15.0)
+  bootsnap (~> 1.16.0)
   brakeman (~> 5.4)
   browser
   bullet (~> 7.0)