Merge commit '6273416292090b2f6bfda33f070cea325a1759df' into glitch-soc/merge-upstream

Conflicts:
- `.github/workflows/build-nightly.yml`:
  Upstream modified this file close to a line modified by glitch-soc to
  disable the ARMv64 builder (as glitch-soc doesn't have one).
  Ported upstream's changes.
- `.github/workflows/build-releases.yml`:
  Upstream modified this file close to lines changed by glitch-soc to
  change the Docker image repositories used (only ghcr, and based on the
  organization's name).
  Ported upstream's changes.

app/javascript/styles/mastodon/components.scss

@@ -8941,9 +8941,7 @@ noscript {
   }
 
   &__action {
-    position: absolute;
-    inset-inline-end: 0;
-    top: 0;
+    float: right;
     padding: 15px 10px;
 
     .icon-button {

app/javascript/styles/mastodon/rtl.scss

@@ -58,4 +58,11 @@ body.rtl {
   .fa-chevron-right::before {
     content: '\F053';
   }
+
+  .dismissable-banner,
+  .warning-banner {
+    &__action {
+      float: left;
+    }
+  }
 }