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

Conflicts:
- `README.md`:
  Upstream added some documentation in the README, but our README is pretty
  different and barebone.
  Kept our README.

Gemfile.lock

@@ -188,7 +188,7 @@ GEM
     docile (1.3.4)
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
-    doorkeeper (5.5.3)
+    doorkeeper (5.5.4)
       railties (>= 5)
     dotenv (2.7.6)
     dotenv-rails (2.7.6)
@@ -262,7 +262,7 @@ GEM
     hiredis (0.6.3)
     hkdf (0.3.0)
     htmlentities (4.3.4)
-    http (5.0.2)
+    http (5.0.4)
       addressable (~> 2.8)
       http-cookie (~> 1.0)
       http-form_data (~> 2.2)
@@ -326,7 +326,7 @@ GEM
       addressable (~> 2.7)
     letter_opener (1.7.0)
       launchy (~> 2.2)
-    letter_opener_web (1.4.0)
+    letter_opener_web (1.4.1)
       actionmailer (>= 3.2)
       letter_opener (~> 1.0)
       railties (>= 3.2)
@@ -357,7 +357,7 @@ GEM
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2020.0512)
-    mini_mime (1.1.1)
+    mini_mime (1.1.2)
     mini_portile2 (2.6.1)
     minitest (5.14.4)
     msgpack (1.4.2)
@@ -531,7 +531,7 @@ GEM
       unicode-display_width (>= 1.4.0, < 3.0)
     rubocop-ast (1.12.0)
       parser (>= 3.0.1.1)
-    rubocop-rails (2.12.2)
+    rubocop-rails (2.12.3)
       activesupport (>= 4.2.0)
       rack (>= 1.1)
       rubocop (>= 1.7.0, < 2.0)
@@ -627,7 +627,7 @@ GEM
       tzinfo (>= 1.0.0)
     unf (0.1.4)
       unf_ext
-    unf_ext (0.0.7.7)
+    unf_ext (0.0.8)
     unicode-display_width (1.8.0)
     uniform_notifier (1.14.2)
     warden (1.2.9)