Update changelog and release 0.7.0~rc4

NEWS

+Overview of Changes in Chats 0.7.0~rc4. Wed, 16 November 2022
+=============================================================
+* Fix a crash when loading matrix account avatars
+* Fix a crash when sending encrypted messages
+
 Overview of Changes in Chats 0.7.0~rc3. Fri, 11 November 2022
 =============================================================
 * Fix opening matrix files clicking message row

debian/changelog

+chatty (0.7.0~rc4) byzantium; urgency=medium
+
+  * ma-chat: Emit message-added when new events are added
+  * ma-account: Fix a crash when account details are changed
+  * Update cmatrix
+
+ -- Mohammed Sadiq <sadiq@sadiqpk.org>  Wed, 16 Nov 2022 09:31:59 +0530
+
 chatty (0.7.0~rc3) byzantium; urgency=medium
 
   * chat-list: Add API to select a chat

meson.build

 project(
   'chatty', 'c', 'cpp',
-  version: '0.7.0.rc3',
+  version: '0.7.0.rc4',
   meson_version: '>= 0.56.0',
 )