chore(rds): aurora postgres 16.9, 15.13, 14.18, 13.21, sqlserver 13.00.6460.7.v1,14.00.3495.9.v1,15.00.4435.7.v1,16.00.4195.2.v1,16.00.4205.1.v1, mysql 8.0.43, 8.4.6

[phuhung273]

Issue # (if applicable)

Close #35065

Reason for this change

https://aws.amazon.com/about-aws/whats-new/2025/07/amazon-rds-sql-server-supports-cumulative-update-19-sql-server-2022/
https://aws.amazon.com/about-aws/whats-new/2025/05/amazon-rds-postgresql-supports-new-minor-versions/
https://aws.amazon.com/about-aws/whats-new/2025/08/amazon-rds-mySQL-8-0-43-and-8-4-6/
https://aws.amazon.com/about-aws/whats-new/2025/08/amazon-rds-sqlserver-supports-cu-gdr/

Description of how you validated changes

$ aws rds describe-db-engine-versions --engine sqlserver-ee --output table --query 'DBEngineVersions[*].{Engine:Engine,EngineVersion:EngineVersion}'
--------------------------------------
|      DescribeDBEngineVersions      |
+---------------+--------------------+
|    Engine     |   EngineVersion    |
+---------------+--------------------+
|  sqlserver-ee |  13.00.6460.7.v1   |
...
|  sqlserver-ee |  14.00.3495.9.v1   |
...
|  sqlserver-ee |  15.00.4435.7.v1   |
...
|  sqlserver-ee |  16.00.4195.2.v1   |
|  sqlserver-ee |  16.00.4205.1.v1   |
+---------------+--------------------+

Checklist

• My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

---

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

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AWS CodeBuild CI Report

• CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
• Commit ID: 67e5748
• Result: SUCCEEDED
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