chore(openseach): add OpenSearch version 3.3 (#36186)

### Issue # (if applicable)

N/A

### Reason for this change
Amazon OpenSearch Service now supports OpenSearch version 3.3

Ref: https://aws.amazon.com/about-aws/whats-new/2025/11/amazon-opensearch-service-opensearch-version-3-3/


### Description of changes
Add an enum.



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




### Description of how you validated changes
Add unit tests 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-testing/framework-integ/test/aws-opensearchservice/test/integ.opensearch.min.js.snapshot/cdk-integ-opensearch-min.assets.json

@@ -123,6 +123,37 @@
    },
    "UpdateReplacePolicy": "Delete",
    "DeletionPolicy": "Delete"
+  },
+  "OpenSearch333036DEFB": {
+   "Type": "AWS::OpenSearchService::Domain",
+   "Properties": {
+    "ClusterConfig": {
+     "DedicatedMasterEnabled": false,
+     "InstanceCount": 1,
+     "InstanceType": "r5.large.search",
+     "MultiAZWithStandbyEnabled": false,
+     "ZoneAwarenessEnabled": false
+    },
+    "DomainEndpointOptions": {
+     "EnforceHTTPS": false,
+     "TLSSecurityPolicy": "Policy-Min-TLS-1-2-2019-07"
+    },
+    "EBSOptions": {
+     "EBSEnabled": true,
+     "VolumeSize": 10,
+     "VolumeType": "gp2"
+    },
+    "EncryptionAtRestOptions": {
+     "Enabled": false
+    },
+    "EngineVersion": "OpenSearch_3.3",
+    "LogPublishingOptions": {},
+    "NodeToNodeEncryptionOptions": {
+     "Enabled": false
+    }
+   },
+   "UpdateReplacePolicy": "Delete",
+   "DeletionPolicy": "Delete"
   }
  },
  "Parameters": {