Update "What's New" for v5.24 release

_locales/en/messages.json

@@ -6556,6 +6556,18 @@
     "message": "Screen reader users should now find it easier to navigate through the conversation list on the left pane.",
     "description": "Release notes for v5.21"
   },
+  "WhatsNew__v5.24--1": {
+    "message": "You can now search in archived conversations. Imagine yourself searching (quickly) through ancient tomes, looking for the next clue.",
+    "description": "Release notes for v5.24"
+  },
+  "WhatsNew__v5.24--2": {
+    "message": "If you've ever scrolled up and sent a message, you might wonder where your message was! Now, whenever you send a message, it'll be scrolled into view for you to admire your hard work.",
+    "description": "Release notes for v5.24"
+  },
+  "WhatsNew__v5.24--3": {
+    "message": "Reacting to a message? It should now be more reliable, retrying for up to 24 hours",
+    "description": "Release notes for v5.24"
+  },
   "WhatsNew__bugfixes": {
     "message": "This version contains a number of small tweaks and bug fixes to keep Signal running smoothly.",
     "description": "Release notes for releases that only include bug fixes"

ts/components/WhatsNewModal.tsx

@@ -29,12 +29,10 @@ const renderText: RenderTextCallbackType = ({ key, text }) => (
 const releaseNotes: ReleaseNotesType = {
   date: new Date(window.getBuildCreation?.() || Date.now()),
   version: window.getVersion(),
-  features: [
-    {
-      key: 'WhatsNew__bugfixes',
-      components: undefined,
-    },
-  ],
+  features: [1, 2, 3].map(n => ({
+    key: `WhatsNew__v5.24--${n}`,
+    components: undefined,
+  })),
 };
 
 export const WhatsNewModal = ({