feat(events): Rule support role (#33779)

### Issue # (if applicable)

Closes #33722

### Description of changes
Event Rule support IAM Role

### Description of how you validated changes
Unit + Integ

### 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: phuhung273

packages/@aws-cdk-testing/framework-integ/test/aws-events/test/integ.rule.js.snapshot/IntegTestBatchDefaultEnvVarsStackDefaultTestDeployAssertC15EFFF2.assets.json

@@ -1,5 +1,22 @@
 {
  "Resources": {
+  "MyRoleF48FFE04": {
+   "Type": "AWS::IAM::Role",
+   "Properties": {
+    "AssumeRolePolicyDocument": {
+     "Statement": [
+      {
+       "Action": "sts:AssumeRole",
+       "Effect": "Allow",
+       "Principal": {
+        "Service": "events.amazonaws.com"
+       }
+      }
+     ],
+     "Version": "2012-10-17"
+    }
+   }
+  },
   "MyRuleA44AB831": {
    "Type": "AWS::Events::Rule",
    "Properties": {
@@ -146,6 +163,12 @@
       "0"
      ]
     },
+    "RoleArn": {
+     "Fn::GetAtt": [
+      "MyRoleF48FFE04",
+      "Arn"
+     ]
+    },
     "State": "ENABLED"
    }
   },