chore(rds): add new MariaDB engine versions 10.5.28, 10.6.21, 10.11.11, and 11.4.5 (#33665)

Ref: https://aws.amazon.com/about-aws/whats-new/2025/02/amazon-rds-for-mariadb-supports-minors/

- [x] My code adheres to the [CONTRIBUTING GUIDE](https://github.com/aws/aws-cdk/blob/main/CONTRIBUTING.md) and [DESIGN GUIDELINES](https://github.com/aws/aws-cdk/blob/main/docs/DESIGN_GUIDELINES.md)

----

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

Author: mazyu36

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

@@ -499,6 +499,8 @@ export class MariaDbEngineVersion {
   public static readonly VER_10_5_26 = MariaDbEngineVersion.of('10.5.26', '10.5');
   /** Version "10.5.27". */
   public static readonly VER_10_5_27 = MariaDbEngineVersion.of('10.5.27', '10.5');
+  /** Version "10.5.28". */
+  public static readonly VER_10_5_28 = MariaDbEngineVersion.of('10.5.28', '10.5');
 
   /** Version "10.6" (only a major version, without a specific minor version). */
   public static readonly VER_10_6 = MariaDbEngineVersion.of('10.6', '10.6');
@@ -548,6 +550,8 @@ export class MariaDbEngineVersion {
   public static readonly VER_10_6_19 = MariaDbEngineVersion.of('10.6.19', '10.6');
   /** Version "10.6.20". */
   public static readonly VER_10_6_20 = MariaDbEngineVersion.of('10.6.20', '10.6');
+  /** Version "10.6.21". */
+  public static readonly VER_10_6_21 = MariaDbEngineVersion.of('10.6.21', '10.6');
 
   /** Version "10.11" (only a major version, without a specific minor version). */
   public static readonly VER_10_11 = MariaDbEngineVersion.of('10.11', '10.11');
@@ -565,10 +569,14 @@ export class MariaDbEngineVersion {
   public static readonly VER_10_11_9 = MariaDbEngineVersion.of('10.11.9', '10.11');
   /** Version "10.11.10". */
   public static readonly VER_10_11_10 = MariaDbEngineVersion.of('10.11.10', '10.11');
+  /** Version "10.11.11". */
+  public static readonly VER_10_11_11 = MariaDbEngineVersion.of('10.11.11', '10.11');
   /** Version "11.4.3". */
   public static readonly VER_11_4_3 = MariaDbEngineVersion.of('11.4.3', '11.4');
   /** Version "11.4.4". */
   public static readonly VER_11_4_4 = MariaDbEngineVersion.of('11.4.4', '11.4');
+  /** Version "11.4.5". */
+  public static readonly VER_11_4_5 = MariaDbEngineVersion.of('11.4.5', '11.4');
 
   /**
    * Create a new MariaDbEngineVersion with an arbitrary version.

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

@@ -281,6 +281,7 @@ describe('instance engine', () => {
       ['10.5.25', rds.MariaDbEngineVersion.VER_10_5_25],
       ['10.5.26', rds.MariaDbEngineVersion.VER_10_5_26],
       ['10.5.27', rds.MariaDbEngineVersion.VER_10_5_27],
+      ['10.5.28', rds.MariaDbEngineVersion.VER_10_5_28],
       ['10.6', rds.MariaDbEngineVersion.VER_10_6],
       ['10.6.13', rds.MariaDbEngineVersion.VER_10_6_13],
       ['10.6.14', rds.MariaDbEngineVersion.VER_10_6_14],
@@ -290,6 +291,7 @@ describe('instance engine', () => {
       ['10.6.18', rds.MariaDbEngineVersion.VER_10_6_18],
       ['10.6.19', rds.MariaDbEngineVersion.VER_10_6_19],
       ['10.6.20', rds.MariaDbEngineVersion.VER_10_6_20],
+      ['10.6.21', rds.MariaDbEngineVersion.VER_10_6_21],
       ['10.11', rds.MariaDbEngineVersion.VER_10_11],
       ['10.11.4', rds.MariaDbEngineVersion.VER_10_11_4],
       ['10.11.5', rds.MariaDbEngineVersion.VER_10_11_5],
@@ -298,8 +300,10 @@ describe('instance engine', () => {
       ['10.11.8', rds.MariaDbEngineVersion.VER_10_11_8],
       ['10.11.9', rds.MariaDbEngineVersion.VER_10_11_9],
       ['10.11.10', rds.MariaDbEngineVersion.VER_10_11_10],
+      ['10.11.11', rds.MariaDbEngineVersion.VER_10_11_11],
       ['11.4.3', rds.MariaDbEngineVersion.VER_11_4_3],
       ['11.4.4', rds.MariaDbEngineVersion.VER_11_4_4],
+      ['11.4.5', rds.MariaDbEngineVersion.VER_11_4_5],
     ])('is passed correctly for %s', (engineVersion, version) => {
       // WHEN
       const stack = new cdk.Stack();