feat(sns): support high throughput mode for FIFO topics (#33056)

### Issue # (if applicable)
N/A

### Reason for this change
Amazon SNS now supports high throughput mode.

Ref: [high-throughput mode for Amazon SNS FIFO Topics](https://aws.amazon.com/about-aws/whats-new/2025/01/high-throughput-mode-amazon-sns-fifo-topics)


### Description of changes
Add `fifoThroughputScope` property.



### Describe any new or updated permissions being added
Nothing



### 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*

packages/@aws-cdk-testing/framework-integ/test/aws-sns/test/integ.sns-fifo-throughput-scope.js.snapshot/sns-fifo-throughput-scope.template.json

@@ -0,0 +1,54 @@
+{
+ "Resources": {
+  "MessageGroupScopeTopicAB4E2D6F": {
+   "Type": "AWS::SNS::Topic",
+   "Properties": {
+    "FifoThroughputScope": "MessageGroup",
+    "FifoTopic": true,
+    "TopicName": "snsfifothroughputscope-MessageGroupScopeTopic-52DE3DD3.fifo"
+   }
+  },
+  "TopicScopeTopic8DEBB616": {
+   "Type": "AWS::SNS::Topic",
+   "Properties": {
+    "FifoThroughputScope": "Topic",
+    "FifoTopic": true,
+    "TopicName": "snsfifothroughputscope-TopicScopeTopic-92BBF542.fifo"
+   }
+  }
+ },
+ "Parameters": {
+  "BootstrapVersion": {
+   "Type": "AWS::SSM::Parameter::Value<String>",
+   "Default": "/cdk-bootstrap/hnb659fds/version",
+   "Description": "Version of the CDK Bootstrap resources in this environment, automatically retrieved from SSM Parameter Store. [cdk:skip]"
+  }
+ },
+ "Rules": {
+  "CheckBootstrapVersion": {
+   "Assertions": [
+    {
+     "Assert": {
+      "Fn::Not": [
+       {
+        "Fn::Contains": [
+         [
+          "1",
+          "2",
+          "3",
+          "4",
+          "5"
+         ],
+         {
+          "Ref": "BootstrapVersion"
+         }
+        ]
+       }
+      ]
+     },
+     "AssertDescription": "CDK bootstrap stack version 6 required. Please run 'cdk bootstrap' with a recent version of the CDK CLI."
+    }
+   ]
+  }
+ }
+}