docs: fix an incorrect changelog entry (#22683)

This PR fixes a changelog entry incorrectly marked as "closes".

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### All Submissions:

* [x] Have you followed the guidelines in our [Contributing guide?](https://github.com/aws/aws-cdk/blob/main/CONTRIBUTING.md)

### Adding new Unconventional Dependencies:

* [ ] This PR adds new unconventional dependencies following the process described [here](https://github.com/aws/aws-cdk/blob/main/CONTRIBUTING.md/#adding-new-unconventional-dependencies)

### New Features

* [ ] Have you added the new feature to an [integration test](https://github.com/aws/aws-cdk/blob/main/INTEGRATION_TESTS.md)?
	* [ ] Did you use `yarn integ` to deploy the infrastructure and generate the snapshot (i.e. `yarn integ` without `--dry-run`)?

*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

CHANGELOG.v2.md

@@ -25,7 +25,7 @@ All notable changes to this project will be documented in this file. See [standa
 * **cli:** allow disabling parallel asset publishing ([#22579](https://github.com/aws/aws-cdk/issues/22579)) ([69981ac](https://github.com/aws/aws-cdk/commit/69981ac07b40ce3f690f6c1ad0010b51f29103a6)), closes [#19367](https://github.com/aws/aws-cdk/issues/19367)
 * **ec2:** Vpc supports allocating CIDR from AWS IPAM ([#22458](https://github.com/aws/aws-cdk/issues/22458)) ([7ed9cd1](https://github.com/aws/aws-cdk/commit/7ed9cd14aa5aaff90badb6438a0941fbca2d370c))
 * **eks:** support for Kubernetes version 1.22 ([#22604](https://github.com/aws/aws-cdk/issues/22604)) ([91704aa](https://github.com/aws/aws-cdk/commit/91704aa3632dd6424017ae7aafebda832f309315)), closes [#20263](https://github.com/aws/aws-cdk/issues/20263)
-* **rds:** dual-stack mode support ([#22596](https://github.com/aws/aws-cdk/issues/22596)) ([89a7365](https://github.com/aws/aws-cdk/commit/89a73651ccd619b9b1878c40214e4647095803de)), closes [#19525](https://github.com/aws/aws-cdk/issues/19525)
+* **rds:** dual-stack mode support ([#22596](https://github.com/aws/aws-cdk/issues/22596)) ([89a7365](https://github.com/aws/aws-cdk/commit/89a73651ccd619b9b1878c40214e4647095803de))
 
 
 ### Bug Fixes