Update changelog with PR number

changelogs/fragments/20240604-ec2_instance-refactor-network-option.yml

@@ -1,6 +1,6 @@
 ---
 minor_changes:
-  - ec2_instance - Deprecate option ``network`` and replace with new options ``network_interface`` and ``network_ids`` ().
+  - ec2_instance - Deprecate option ``network`` and replace with new options ``network_interface`` and ``network_ids`` (https://github.com/ansible-collections/amazon.aws/pull/2123).
 bugfixes:
   - ec2_instance - Consider using ``network.groups`` as network interface specification groups first 
-    and defaulting to options ``security_groups`` or ``security_group`` instead of always using groups from ``security_groups`` or ``security_group`` options ().
+    and defaulting to options ``security_groups`` or ``security_group`` instead of always using groups from ``security_groups`` or ``security_group`` options (https://github.com/ansible-collections/amazon.aws/pull/2123).