fix(lambda-event-source): allow dynamodb filtering on boolean value (#31011)

### Issue # (if applicable)

Closes #30734 

### Reason for this change

Filtering on boolean values was not possible

### Description of changes

`lambda.FilterRule.isEqual(...)` now accepts `boolean` values

### Description of how you validated changes

Added a unit test and integration 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: mellevanderlinde

packages/@aws-cdk-testing/framework-integ/test/aws-lambda-event-sources/test/integ.dynamodb-with-boolean-filter.js.snapshot/DynamoDBFilterBooleanDefaultTestDeployAssert8561382F.assets.json

@@ -0,0 +1,173 @@
+{
+ "Resources": {
+  "FServiceRole3AC82EE1": {
+   "Type": "AWS::IAM::Role",
+   "Properties": {
+    "AssumeRolePolicyDocument": {
+     "Statement": [
+      {
+       "Action": "sts:AssumeRole",
+       "Effect": "Allow",
+       "Principal": {
+        "Service": "lambda.amazonaws.com"
+       }
+      }
+     ],
+     "Version": "2012-10-17"
+    },
+    "ManagedPolicyArns": [
+     {
+      "Fn::Join": [
+       "",
+       [
+        "arn:",
+        {
+         "Ref": "AWS::Partition"
+        },
+        ":iam::aws:policy/service-role/AWSLambdaBasicExecutionRole"
+       ]
+      ]
+     }
+    ]
+   }
+  },
+  "FServiceRoleDefaultPolicy17A19BFA": {
+   "Type": "AWS::IAM::Policy",
+   "Properties": {
+    "PolicyDocument": {
+     "Statement": [
+      {
+       "Action": "dynamodb:ListStreams",
+       "Effect": "Allow",
+       "Resource": "*"
+      },
+      {
+       "Action": [
+        "dynamodb:DescribeStream",
+        "dynamodb:GetRecords",
+        "dynamodb:GetShardIterator"
+       ],
+       "Effect": "Allow",
+       "Resource": {
+        "Fn::GetAtt": [
+         "TD925BC7E",
+         "StreamArn"
+        ]
+       }
+      }
+     ],
+     "Version": "2012-10-17"
+    },
+    "PolicyName": "FServiceRoleDefaultPolicy17A19BFA",
+    "Roles": [
+     {
+      "Ref": "FServiceRole3AC82EE1"
+     }
+    ]
+   }
+  },
+  "FC4345940": {
+   "Type": "AWS::Lambda::Function",
+   "Properties": {
+    "Code": {
+     "ZipFile": "exports.handler = async function handler(event) {\n    console.log('event:', JSON.stringify(event, undefined, 2));\n    return { event };\n}"
+    },
+    "Handler": "index.handler",
+    "Role": {
+     "Fn::GetAtt": [
+      "FServiceRole3AC82EE1",
+      "Arn"
+     ]
+    },
+    "Runtime": "nodejs18.x"
+   },
+   "DependsOn": [
+    "FServiceRoleDefaultPolicy17A19BFA",
+    "FServiceRole3AC82EE1"
+   ]
+  },
+  "FDynamoDBEventSourcelambdaeventsourcefilterbooleandynamodbT2161ED824BB5B64C": {
+   "Type": "AWS::Lambda::EventSourceMapping",
+   "Properties": {
+    "BatchSize": 5,
+    "EventSourceArn": {
+     "Fn::GetAtt": [
+      "TD925BC7E",
+      "StreamArn"
+     ]
+    },
+    "FilterCriteria": {
+     "Filters": [
+      {
+       "Pattern": "{\"eventName\":[\"INSERT\"],\"dynamodb\":{\"NewImage\":{\"id\":{\"BOOL\":[true]}}}}"
+      }
+     ]
+    },
+    "FunctionName": {
+     "Ref": "FC4345940"
+    },
+    "StartingPosition": "LATEST"
+   }
+  },
+  "TD925BC7E": {
+   "Type": "AWS::DynamoDB::Table",
+   "Properties": {
+    "AttributeDefinitions": [
+     {
+      "AttributeName": "id",
+      "AttributeType": "S"
+     }
+    ],
+    "KeySchema": [
+     {
+      "AttributeName": "id",
+      "KeyType": "HASH"
+     }
+    ],
+    "ProvisionedThroughput": {
+     "ReadCapacityUnits": 5,
+     "WriteCapacityUnits": 5
+    },
+    "StreamSpecification": {
+     "StreamViewType": "NEW_IMAGE"
+    }
+   },
+   "UpdateReplacePolicy": "Delete",
+   "DeletionPolicy": "Delete"
+  }
+ },
+ "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."
+    }
+   ]
+  }
+ }
+}