feat(synthetics): browser type for canary (#35423)

### Issue # (if applicable)

None

### Reason for this change

AWS Synthetics now supports for specifying browser type for canary not only Google Chrome but also Mozzila Firefox.

https://aws.amazon.com/jp/about-aws/whats-new/2025/09/amazon-cloudwatch-synthetics-adds-multi-browser-support/

### Description of changes

- add `BrowserType` enum
- add `BrowserConfigs` prop to `CanaryProps`

### Describe any new or updated permissions being added

None

### Description of how you validated changes

Add both unit and integ tests

### 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: badmintoncryer

packages/@aws-cdk-testing/framework-integ/test/aws-synthetics/test/integ.canary-browser-type.js.snapshot/SyntheticsCanaryBrowserTypeDefaultTestDeployAssertA8C77441.assets.json

@@ -0,0 +1,250 @@
+{
+ "Resources": {
+  "BrowserTypeCanaryArtifactsBucketB64A2F50": {
+   "Type": "AWS::S3::Bucket",
+   "Properties": {
+    "BucketEncryption": {
+     "ServerSideEncryptionConfiguration": [
+      {
+       "ServerSideEncryptionByDefault": {
+        "SSEAlgorithm": "aws:kms"
+       }
+      }
+     ]
+    }
+   },
+   "UpdateReplacePolicy": "Retain",
+   "DeletionPolicy": "Retain"
+  },
+  "BrowserTypeCanaryArtifactsBucketPolicy99D86AC7": {
+   "Type": "AWS::S3::BucketPolicy",
+   "Properties": {
+    "Bucket": {
+     "Ref": "BrowserTypeCanaryArtifactsBucketB64A2F50"
+    },
+    "PolicyDocument": {
+     "Statement": [
+      {
+       "Action": "s3:*",
+       "Condition": {
+        "Bool": {
+         "aws:SecureTransport": "false"
+        }
+       },
+       "Effect": "Deny",
+       "Principal": {
+        "AWS": "*"
+       },
+       "Resource": [
+        {
+         "Fn::GetAtt": [
+          "BrowserTypeCanaryArtifactsBucketB64A2F50",
+          "Arn"
+         ]
+        },
+        {
+         "Fn::Join": [
+          "",
+          [
+           {
+            "Fn::GetAtt": [
+             "BrowserTypeCanaryArtifactsBucketB64A2F50",
+             "Arn"
+            ]
+           },
+           "/*"
+          ]
+         ]
+        }
+       ]
+      }
+     ],
+     "Version": "2012-10-17"
+    }
+   }
+  },
+  "BrowserTypeCanaryServiceRole1136C6CA": {
+   "Type": "AWS::IAM::Role",
+   "Properties": {
+    "AssumeRolePolicyDocument": {
+     "Statement": [
+      {
+       "Action": "sts:AssumeRole",
+       "Effect": "Allow",
+       "Principal": {
+        "Service": "lambda.amazonaws.com"
+       }
+      }
+     ],
+     "Version": "2012-10-17"
+    },
+    "Policies": [
+     {
+      "PolicyDocument": {
+       "Statement": [
+        {
+         "Action": "s3:ListAllMyBuckets",
+         "Effect": "Allow",
+         "Resource": "*"
+        },
+        {
+         "Action": "s3:GetBucketLocation",
+         "Effect": "Allow",
+         "Resource": {
+          "Fn::GetAtt": [
+           "BrowserTypeCanaryArtifactsBucketB64A2F50",
+           "Arn"
+          ]
+         }
+        },
+        {
+         "Action": "s3:PutObject",
+         "Effect": "Allow",
+         "Resource": {
+          "Fn::Join": [
+           "",
+           [
+            {
+             "Fn::GetAtt": [
+              "BrowserTypeCanaryArtifactsBucketB64A2F50",
+              "Arn"
+             ]
+            },
+            "/*"
+           ]
+          ]
+         }
+        },
+        {
+         "Action": "cloudwatch:PutMetricData",
+         "Condition": {
+          "StringEquals": {
+           "cloudwatch:namespace": "CloudWatchSynthetics"
+          }
+         },
+         "Effect": "Allow",
+         "Resource": "*"
+        },
+        {
+         "Action": [
+          "logs:CreateLogGroup",
+          "logs:CreateLogStream",
+          "logs:PutLogEvents"
+         ],
+         "Effect": "Allow",
+         "Resource": {
+          "Fn::Join": [
+           "",
+           [
+            "arn:",
+            {
+             "Ref": "AWS::Partition"
+            },
+            ":logs:",
+            {
+             "Ref": "AWS::Region"
+            },
+            ":",
+            {
+             "Ref": "AWS::AccountId"
+            },
+            ":log-group:/aws/lambda/cwsyn-*"
+           ]
+          ]
+         }
+        }
+       ],
+       "Version": "2012-10-17"
+      },
+      "PolicyName": "canaryPolicy"
+     }
+    ]
+   }
+  },
+  "BrowserTypeCanary592BB664": {
+   "Type": "AWS::Synthetics::Canary",
+   "Properties": {
+    "ArtifactS3Location": {
+     "Fn::Join": [
+      "",
+      [
+       "s3://",
+       {
+        "Ref": "BrowserTypeCanaryArtifactsBucketB64A2F50"
+       }
+      ]
+     ]
+    },
+    "BrowserConfigs": [
+     {
+      "BrowserType": "CHROME"
+     },
+     {
+      "BrowserType": "FIREFOX"
+     }
+    ],
+    "Code": {
+     "Handler": "canary.handler",
+     "S3Bucket": {
+      "Fn::Sub": "cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}"
+     },
+     "S3Key": "5178413cfe8db00b2d5dcfa9be417e934c64601d0da3031d88c145c8293bc27f.zip"
+    },
+    "ExecutionRoleArn": {
+     "Fn::GetAtt": [
+      "BrowserTypeCanaryServiceRole1136C6CA",
+      "Arn"
+     ]
+    },
+    "Name": "syntheticscanar716729",
+    "RunConfig": {
+     "MemoryInMB": 2048,
+     "TimeoutInSeconds": 240
+    },
+    "RuntimeVersion": "syn-nodejs-puppeteer-11.0",
+    "Schedule": {
+     "DurationInSeconds": "0",
+     "Expression": "rate(5 minutes)",
+     "RetryConfig": {
+      "MaxRetries": 2
+     }
+    },
+    "StartCanaryAfterCreation": true
+   }
+  }
+ },
+ "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."
+    }
+   ]
+  }
+ }
+}