chore(rds): support 10.11.9, 10.6.19, 10.5.26 for MariaDB (#31366)

Add new minor versions.

Ref: [Amazon RDS for MariaDB supports minors 10.11.9, 10.6.19, 10.5.26](https://aws.amazon.com/about-aws/whats-new/2024/09/amazon-rds-mariadb-minors-10/)

### Checklist
- [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

Diff for: packages/aws-cdk-lib/aws-rds/lib/instance-engine.ts

@@ -494,6 +494,8 @@ export class MariaDbEngineVersion {
   public static readonly VER_10_5_24 = MariaDbEngineVersion.of('10.5.24', '10.5');
   /** Version "10.5.25". */
   public static readonly VER_10_5_25 = MariaDbEngineVersion.of('10.5.25', '10.5');
+  /** Version "10.5.26". */
+  public static readonly VER_10_5_26 = MariaDbEngineVersion.of('10.5.26', '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');
@@ -539,6 +541,8 @@ export class MariaDbEngineVersion {
   public static readonly VER_10_6_17 = MariaDbEngineVersion.of('10.6.17', '10.6');
   /** Version "10.6.18". */
   public static readonly VER_10_6_18 = MariaDbEngineVersion.of('10.6.18', '10.6');
+  /** Version "10.6.19". */
+  public static readonly VER_10_6_19 = MariaDbEngineVersion.of('10.6.19', '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');
@@ -552,6 +556,8 @@ export class MariaDbEngineVersion {
   public static readonly VER_10_11_7 = MariaDbEngineVersion.of('10.11.7', '10.11');
   /** Version "10.11.8". */
   public static readonly VER_10_11_8 = MariaDbEngineVersion.of('10.11.8', '10.11');
+  /** Version "10.11.9". */
+  public static readonly VER_10_11_9 = MariaDbEngineVersion.of('10.11.9', '10.11');
 
   /**
    * Create a new MariaDbEngineVersion with an arbitrary version.

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

@@ -1,4 +1,5 @@
 import { Template } from '../../assertions';
+import * as ec2 from '../../aws-ec2';
 import * as iam from '../../aws-iam';
 import * as cdk from '../../core';
 import * as rds from '../lib';
@@ -262,4 +263,57 @@ describe('instance engine', () => {
       expect(engineConfig.features?.s3Export).toEqual('s3Export');
     });
   });
+
+  describe('MariaDB engine version', () => {
+    test.each([
+      ['10.4', rds.MariaDbEngineVersion.VER_10_4],
+      ['10.4.29', rds.MariaDbEngineVersion.VER_10_4_29],
+      ['10.4.30', rds.MariaDbEngineVersion.VER_10_4_30],
+      ['10.4.31', rds.MariaDbEngineVersion.VER_10_4_31],
+      ['10.4.32', rds.MariaDbEngineVersion.VER_10_4_32],
+      ['10.4.33', rds.MariaDbEngineVersion.VER_10_4_33],
+      ['10.4.34', rds.MariaDbEngineVersion.VER_10_4_34],
+      ['10.5', rds.MariaDbEngineVersion.VER_10_5],
+      ['10.5.20', rds.MariaDbEngineVersion.VER_10_5_20],
+      ['10.5.21', rds.MariaDbEngineVersion.VER_10_5_21],
+      ['10.5.22', rds.MariaDbEngineVersion.VER_10_5_22],
+      ['10.5.23', rds.MariaDbEngineVersion.VER_10_5_23],
+      ['10.5.24', rds.MariaDbEngineVersion.VER_10_5_24],
+      ['10.5.25', rds.MariaDbEngineVersion.VER_10_5_25],
+      ['10.5.26', rds.MariaDbEngineVersion.VER_10_5_26],
+      ['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],
+      ['10.6.15', rds.MariaDbEngineVersion.VER_10_6_15],
+      ['10.6.16', rds.MariaDbEngineVersion.VER_10_6_16],
+      ['10.6.17', rds.MariaDbEngineVersion.VER_10_6_17],
+      ['10.6.18', rds.MariaDbEngineVersion.VER_10_6_18],
+      ['10.6.19', rds.MariaDbEngineVersion.VER_10_6_19],
+      ['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],
+      ['10.11.6', rds.MariaDbEngineVersion.VER_10_11_6],
+      ['10.11.7', rds.MariaDbEngineVersion.VER_10_11_7],
+      ['10.11.8', rds.MariaDbEngineVersion.VER_10_11_8],
+      ['10.11.9', rds.MariaDbEngineVersion.VER_10_11_9],
+    ])('is passed correctly for %s', (engineVersion, version) => {
+
+      // WHEN
+      const stack = new cdk.Stack();
+      const vpc = new ec2.Vpc(stack, 'VPC');
+
+      new rds.DatabaseInstance(stack, 'Instance', {
+        engine: rds.DatabaseInstanceEngine.mariaDb({ version }),
+        vpc,
+      });
+
+      // THEN
+      Template.fromStack(stack).hasResource('AWS::RDS::DBInstance', {
+        Properties: {
+          Engine: 'mariadb',
+          EngineVersion: engineVersion,
+        },
+      });
+    });
+  });
 });