chore(rds): add SQL Server version 16.00.4195.2.v1

[phuhung273]

Issue # (if applicable)

None

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/

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 |  16.00.4195.2.v1   |
+---------------+--------------------+

Checklist

• My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

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

[aws-cdk-automation]

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• CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
• Commit ID: 5d4376e
• Result: SUCCEEDED
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