chore(rds): support RDS for SQL Server 16.00.4085.2.v1 as major version 2022 (#28029)

This PR supports RDS for SQL Server 16.00.4085.2.v1 as major version 2022.

https://aws.amazon.com/jp/about-aws/whats-new/2023/11/amazon-rds-sql-server-sql-server-major-version-2022/

```bash
❯ aws rds describe-db-engine-versions --engine sqlserver-ee --query "DBEngineVersions[?EngineVersion=='16.00.4085.2.v1'].[DBEngineVersionDescription,EngineVersion,DBParameterGroupFamily,MajorEngineVersion,Status]"
[
    [
        "SQL Server 2022 16.00.4085.2.v1",
        "16.00.4085.2.v1",
        "sqlserver-ee-16.0",
        "16.00",
        "available"
    ]
]
```

----

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

Author: go-to-k

packages/aws-cdk-lib/aws-rds/lib/instance-engine.ts

@@ -1944,6 +1944,8 @@ export class SqlServerEngineVersion {
   public static readonly VER_15_00_4322_2_V1 = SqlServerEngineVersion.of('15.00.4322.2.v1', '15.00');
   /** Version "15.00.4335.1.v1". */
   public static readonly VER_15_00_4335_1_V1 = SqlServerEngineVersion.of('15.00.4335.1.v1', '15.00');
+  /** Version "16.00.4085.2.v1". */
+  public static readonly VER_16_00_4085_2_V1 = SqlServerEngineVersion.of('16.00.4085.2.v1', '16.00');
 
   /**
    * Create a new SqlServerEngineVersion with an arbitrary version.