feat(lambda): add Python 3.13 runtime (#32054)

### Issue # (if applicable)
NA

### Reason for this change

Adds Python 3.13 to the available [Lambda Runtimes constants](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_lambda.Runtime.html#initializer)

### Description of how you validated changes

Have added integration tests to validate the runtime support

### Checklist
- [ ] 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-lambda/test/integ.runtime.inlinecode.js.snapshot/aws-cdk-lambda-runtime-inlinecode.template.json

@@ -1,55 +1,5 @@
 {
  "Resources": {
-  "PYTHON37ServiceRoleDE7E561E": {
-   "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"
-       ]
-      ]
-     }
-    ]
-   }
-  },
-  "PYTHON37D3A10E04": {
-   "Type": "AWS::Lambda::Function",
-   "Properties": {
-    "Code": {
-     "ZipFile": "def handler(event, context):\n  return \"success\""
-    },
-    "Handler": "index.handler",
-    "Role": {
-     "Fn::GetAtt": [
-      "PYTHON37ServiceRoleDE7E561E",
-      "Arn"
-     ]
-    },
-    "Runtime": "python3.7"
-   },
-   "DependsOn": [
-    "PYTHON37ServiceRoleDE7E561E"
-   ]
-  },
   "PYTHON38ServiceRole3EA86BBE": {
    "Type": "AWS::IAM::Role",
    "Properties": {
@@ -250,57 +200,7 @@
     "PYTHON312ServiceRoleBEB03378"
    ]
   },
-  "NODEJS14XServiceRole4523ECDB": {
-   "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"
-       ]
-      ]
-     }
-    ]
-   }
-  },
-  "NODEJS14X930214A3": {
-   "Type": "AWS::Lambda::Function",
-   "Properties": {
-    "Code": {
-     "ZipFile": "exports.handler = async function(event) { return \"success\" }"
-    },
-    "Handler": "index.handler",
-    "Role": {
-     "Fn::GetAtt": [
-      "NODEJS14XServiceRole4523ECDB",
-      "Arn"
-     ]
-    },
-    "Runtime": "nodejs14.x"
-   },
-   "DependsOn": [
-    "NODEJS14XServiceRole4523ECDB"
-   ]
-  },
-  "NODEJS16XServiceRoleB9DAFDFD": {
+  "PYTHON313ServiceRole907582AC": {
    "Type": "AWS::IAM::Role",
    "Properties": {
     "AssumeRolePolicyDocument": {
@@ -331,23 +231,23 @@
     ]
    }
   },
-  "NODEJS16XDE5DD82D": {
+  "PYTHON3136F4F65AE": {
    "Type": "AWS::Lambda::Function",
    "Properties": {
     "Code": {
-     "ZipFile": "exports.handler = async function(event) { return \"success\" }"
+     "ZipFile": "def handler(event, context):\n  return \"success\""
     },
     "Handler": "index.handler",
     "Role": {
      "Fn::GetAtt": [
-      "NODEJS16XServiceRoleB9DAFDFD",
+      "PYTHON313ServiceRole907582AC",
       "Arn"
      ]
     },
-    "Runtime": "nodejs16.x"
+    "Runtime": "python3.13"
    },
    "DependsOn": [
-    "NODEJS16XServiceRoleB9DAFDFD"
+    "PYTHON313ServiceRole907582AC"
    ]
   },
   "NODEJS18XServiceRole4D18036A": {
@@ -452,11 +352,6 @@
   }
  },
  "Outputs": {
-  "PYTHON37functionName": {
-   "Value": {
-    "Ref": "PYTHON37D3A10E04"
-   }
-  },
   "PYTHON38functionName": {
    "Value": {
     "Ref": "PYTHON38A180AE47"
@@ -477,14 +372,9 @@
     "Ref": "PYTHON3127B62731D"
    }
   },
-  "NODEJS14XfunctionName": {
-   "Value": {
-    "Ref": "NODEJS14X930214A3"
-   }
-  },
-  "NODEJS16XfunctionName": {
+  "PYTHON313functionName": {
    "Value": {
-    "Ref": "NODEJS16XDE5DD82D"
+    "Ref": "PYTHON3136F4F65AE"
    }
   },
   "NODEJS18XfunctionName": {