Fix next Rails version in a deprecation message

Author: byroot

activesupport/lib/active_support/deprecation/reporting.rb

@@ -152,7 +152,7 @@ def extract_callstack(callstack)
 
         def _extract_callstack(callstack)
           ActiveSupport.deprecator.warn(<<~MESSAGE)
-            Passing the result of `caller` to ActiveSupport::Deprecation#warn is deprecated and will be removed in Rails 7.2.
+            Passing the result of `caller` to ActiveSupport::Deprecation#warn is deprecated and will be removed in Rails 7.3.
 
             Please pass the result of `caller_locations` instead.
           MESSAGE