MONGOID-4906 move release notes to 7.3

Author: p

source/tutorials/mongoid-upgrade.txt

@@ -130,6 +130,13 @@ Mongoid 7.2 behavior:
   #   embedded: false>
 
 
+New Embedded Matching Operators
+-------------------------------
+
+Mongoid 7.3 adds support for bitwise operators, ``$comment``, ``$mod`` and
+``$type`` operators when :ref:`embedded matching <embedded-matching>`.
+
+
 Upgrading to Mongoid 7.2
 ========================
 
@@ -349,12 +356,6 @@ conditions.
   # Mongoid 7.2 and 7.1:
   # => #<Task _id: 5ef8dc3e2c97a645ec86bb33, name: "Clean house", pattern: /test/, hours: 12>
 
-Additional Supported Operators
-``````````````````````````````
-
-Mongoid 7.2 adds support for bitwise operators, ``$comment``, ``$mod`` and
-``$type`` operators when embedded matching.
-
 
 ``count`` and ``estimated_count`` Methods
 -----------------------------------------