message: Updated stepFunction example to display pulumi.all usage
diff: import * as aws from "@pulumi/aws";
  +import * as pulumi from "@pulumi/pulumi";
  const region = aws.config.requireRegion();
  @@ -65,29 +66,43 @@ const sfnRolePolicy = new aws.iam.RolePolicy("sfnRolePolicy", {
  })
  });
  -const helloWorldFunction = new aws.serverless.Function(
  - "helloWorldFunction",
  +const helloFunction = new aws.serverless.Function(
  + "helloFunction",
  { role: lambdaRole },
  (event, context, callback) => {
  - callback(null, "Hello world!");
  + callback(null, "Hello");
  + }
  +);
  +
  +const worldFunction = new aws.serverless.Function(
  + "worldFunction",
  + {role: lambdaRole},
  + (event, context, callback) => {
  + callback(null, `${event} World!`);
  }
  );
  const stateMachine = new aws.sfn.StateMachine("stateMachine", {
  roleArn: sfnRole.arn,
  - definition: helloWorldFunction.lambda.arn.apply(lambdaArn => {
  + definition: pulumi.all([helloFunction.lambda.arn, worldFunction.lambda.arn])
  + .apply(([helloArn, worldArn]) => {
  return JSON.stringify({
  - "Comment": "A Hello World example of the Amazon States Language using an AWS Lambda Function",
  - "StartAt": "HelloWorld",
  + "Comment": "A Hello World example of the Amazon States Language using two AWS Lambda Functions",
  + "StartAt": "Hello",
  "States": {
  - "HelloWorld": {
  + "Hello": {
  + "Type": "Task",
  + "Resource": helloArn,
  + "Next": "World"
  + },
  + "World": {
  "Type": "Task",
  - "Resource": lambdaArn,
  + "Resource": worldArn,
  "End": true
  }
  }
  });
  - }),
  + })
  });
  exports.stateMachineArn = stateMachine.id;
  