test: update integ tests to nodejs22.x (#3837)

Author: valerena

integration/resources/templates/combination/api_with_authorizer_override_api_auth.yaml

@@ -51,14 +51,14 @@ Resources:
     Type: AWS::Serverless::Function
     Properties:
       InlineCode: |
-        exports.handler = async (event, context, callback) => {
+        exports.handler = async (event, context) => {
           return {
             statusCode: 200,
             body: 'Success'
           }
         }
       Handler: index.handler
-      Runtime: nodejs16.x
+      Runtime: nodejs22.x
       Events:
         LambdaRequest:
           Type: Api
@@ -94,9 +94,9 @@ Resources:
     Type: AWS::Serverless::Function
     Properties:
       Handler: index.handler
-      Runtime: nodejs16.x
+      Runtime: nodejs22.x
       InlineCode: |
-        exports.handler = async (event, context, callback) => {
+        exports.handler = async (event, context) => {
           const auth = event.queryStringParameters.authorization
           const policyDocument = {
             Version: '2012-10-17',

integration/resources/templates/combination/connector_appsync_to_eventbus.yaml

@@ -117,7 +117,7 @@ Resources:
           API_KEY: !GetAtt ApiKey.ApiKey
           GRAPHQL_URL: !GetAtt AppSyncApi.GraphQLUrl
           EventBusName: !Ref EventBus
-      Runtime: nodejs16.x
+      Runtime: nodejs22.x
       Handler: index.handler
       InlineCode: |
         const https = require("https");

integration/resources/templates/combination/intrinsics_serverless_function.yaml

@@ -44,7 +44,7 @@ Resources:
         Fn::Sub: ['${filename}.handler', filename: index]
 
       Runtime:
-        Fn::Join: ['', [nodejs, 16.x]]
+        Fn::Join: ['', [nodejs, 22.x]]
 
       Role:
         Fn::GetAtt: [MyNewRole, Arn]