feat(glue-alpha): support Glue Version 5.1 (#36223)

### Issue # (if applicable)

N/A
### Reason for this change
AWS Glue now supports ver Glue 5.1.

Ref:https://aws.amazon.com/about-aws/whats-new/2025/11/aws-glue-5-1/


### Description of changes
Add an enum.


### Describe any new or updated permissions being added
N/A



### Description of how you validated changes
Add an enum and an integ test.


### 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

packages/@aws-cdk/aws-glue-alpha/README.md

@@ -113,7 +113,7 @@ new glue.PySparkEtlJob(stack, 'PySparkETLJob', {
   description: 'This is a description',
   role,
   script,
-  glueVersion: glue.GlueVersion.V3_0,
+  glueVersion: glue.GlueVersion.V5_1,
   continuousLogging: { enabled: false },
   workerType: glue.WorkerType.G_2X,
   maxConcurrentRuns: 100,
@@ -169,7 +169,7 @@ new glue.PySparkStreamingJob(stack, 'PySparkStreamingJob', {
   description: 'This is a description',
   role,
   script,
-  glueVersion: glue.GlueVersion.V3_0,
+  glueVersion: glue.GlueVersion.V5_1,
   continuousLogging: { enabled: false },
   workerType: glue.WorkerType.G_2X,
   maxConcurrentRuns: 100,
@@ -222,7 +222,7 @@ new glue.PySparkEtlJob(stack, 'pySparkEtlJob', {
   description: 'This is a description',
   role,
   script,
-  glueVersion: glue.GlueVersion.V3_0,
+  glueVersion: glue.GlueVersion.V5_1,
   continuousLogging: { enabled: false },
   workerType: glue.WorkerType.G_2X,
   maxConcurrentRuns: 100,

packages/@aws-cdk/aws-glue-alpha/lib/constants.ts

@@ -211,10 +211,14 @@ export enum GlueVersion {
   V4_0 = '4.0',
 
   /**
-   * Glue version using Spark 3.5.2 and Python 3.11
+   * Glue version using Spark 3.5.4, Python 3.11, and Scala 2.12.18
    */
   V5_0 = '5.0',
 
+  /**
+   * Glue version using Spark 3.5.6, Python 3.11, and Scala 2.12.18
+   */
+  V5_1 = '5.1',
 }
 
 /**

packages/@aws-cdk/aws-glue-alpha/test/constants.test.ts

@@ -54,6 +54,10 @@ describe('Glue Version', () => {
   test('V3_0 should set Glue Version correctly', () => expect(glue.GlueVersion.V3_0).toEqual('3.0'));
 
   test('V4_0 should set Glue Version correctly', () => expect(glue.GlueVersion.V4_0).toEqual('4.0'));
+
+  test('V5_0 should set Glue Version correctly', () => expect(glue.GlueVersion.V5_0).toEqual('5.0'));
+
+  test('V5_1 should set Glue Version correctly', () => expect(glue.GlueVersion.V5_1).toEqual('5.1'));
 });
 
 describe('Job Language', () => {

packages/@aws-cdk/aws-glue-alpha/test/integ.job-pyspark-etl.js.snapshot/aws-glue-job-pyspark-etl.assets.json

@@ -153,7 +153,7 @@
      "arg2": "value2"
     },
     "Description": "Optional Override PySpark ETL Job",
-    "GlueVersion": "3.0",
+    "GlueVersion": "5.1",
     "JobRunQueuingEnabled": true,
     "MaxRetries": 0,
     "Name": "Optional Override PySpark ETL Job",