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

Conflicts:
- config/locales/simple_form.ja.yml

Not a real conflict, one new string was introduced in
glitch and one in upstream.

app/javascript/mastodon/locales/defaultMessages.json

@@ -872,6 +872,14 @@
   },
   {
     "descriptors": [
+      {
+        "defaultMessage": "Dismiss suggestion",
+        "id": "suggestions.dismiss"
+      },
+      {
+        "defaultMessage": "You might be interested in…",
+        "id": "suggestions.header"
+      },
       {
         "defaultMessage": "People",
         "id": "search_results.accounts"
@@ -1047,15 +1055,6 @@
     ],
     "path": "app/javascript/mastodon/features/compose/index.json"
   },
-  {
-    "descriptors": [
-      {
-        "defaultMessage": "Last message:",
-        "id": "conversation.last_message"
-      }
-    ],
-    "path": "app/javascript/mastodon/features/direct_timeline/components/conversation.json"
-  },
   {
     "descriptors": [
       {