feat: add silent messages to MessageFlags (#1912)

Author: JustaSqu1d

CHANGELOG.md

@@ -27,6 +27,8 @@ These changes are available on the `master` branch, but have not yet been releas
   ([#1852](https://github.com/Pycord-Development/pycord/pull/1852))
 - Added new `EmbeddedActivity` values.
   ([#1859](https://github.com/Pycord-Development/pycord/pull/1859))
+- Added new `suppress_notifications` to `MessageFlags.
+  ([#1912](https://github.com/Pycord-Development/pycord/pull/1912))
 
 ### Changed
 

discord/flags.py

@@ -393,6 +393,17 @@ def failed_to_mention_some_roles_in_thread(self):
         """
         return 256
 
+    @flag_value
+    def suppress_notifications(self):
+        """:class:`bool`: Returns ``True`` if the source message does not trigger push and desktop notifications
+
+        The user will still receive a mention
+
+        .. versionadded:: 2.4
+        """
+
+        return 4096
+
 
 @fill_with_flags()
 class PublicUserFlags(BaseFlags):