Merge commit 'b91724fb9d0839365391310e20c2589ff6062d4f' into glitch-soc/merge-upstream

Conflicts:
- `Vagrantfile`:
  Upstream bumped a bunch of values, including one that was already bumped by
  glitch-soc.
  Took upstream's version.
- `lib/paperclip/transcoder.rb`:
  glitch-soc already had a partial fix for this.
  Took upstream's version.

app/javascript/styles/mastodon/components.scss

@@ -9305,16 +9305,15 @@ noscript {
 
   a {
     display: inline-flex;
-    border-radius: 4px;
-    background: rgba($highlight-text-color, 0.2);
-    color: $highlight-text-color;
-    padding: 0.4em 0.6em;
+    color: $dark-text-color;
     text-decoration: none;
 
-    &:hover,
-    &:focus,
-    &:active {
-      background: rgba($highlight-text-color, 0.3);
+    &:hover {
+      text-decoration: none;
+
+      span {
+        text-decoration: underline;
+      }
     }
   }
 }