Add release notes for 6.1

_locales/en/messages.json

@@ -6214,5 +6214,9 @@
   "WhatsNew__v6.0": {
     "message": "Stories are now in Signal! Share disappearing text, images, and video updates with select friends or groups that automatically disappear after 24 hours. For everyone who loves sharing stories, here’s a way to do it privately and without seeing any ads. If you don’t want to see or share stories, you can opt out of it all in your Preferences > Privacy.",
     "description": "Release notes for v6.0"
+  },
+  "WhatsNew__v6.1--1": {
+    "message": "When you start a group call for small groups (up to 16 people), you can choose to send a ringing notification. Group members will hear a ring if they are on the iOS beta or using Desktop or Android.",
+    "description": "Release notes for v6.1"
   }
 }

ts/components/WhatsNewModal.tsx

@@ -31,7 +31,7 @@ const releaseNotes: ReleaseNotesType = {
   version: window.getVersion?.(),
   features: [
     {
-      key: 'WhatsNew__v6.0',
+      key: 'WhatsNew__v6.1--1',
       components: undefined,
     },
   ],