feat(synthetics): new puppeteer 3.5 runtime (aws#19673)

closes aws#19634

----

### All Submissions:

* [ ] Have you followed the guidelines in our [Contributing guide?](https://github.com/aws/aws-cdk/blob/master/CONTRIBUTING.md)

### Adding new Unconventional Dependencies:

* [ ] This PR adds new unconventional dependencies following the process described [here](https://github.com/aws/aws-cdk/blob/master/CONTRIBUTING.md/#adding-new-unconventional-dependencies)

### New Features

* [ ] Have you added the new feature to an [integration test](https://github.com/aws/aws-cdk/blob/master/INTEGRATION_TESTS.md)?
	* [ ] Did you use `cdk-integ` to deploy the infrastructure and generate the snapshot (i.e. `cdk-integ` without `--dry-run`)?

*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

packages/@aws-cdk/aws-synthetics/lib/runtime.ts

@@ -124,6 +124,16 @@ export class Runtime {
    */
   public static readonly SYNTHETICS_NODEJS_PUPPETEER_3_4 = new Runtime('syn-nodejs-puppeteer-3.4', RuntimeFamily.NODEJS);
 
+  /**
+   * `syn-nodejs-puppeteer-3.5` includes the following:
+   * - Lambda runtime Node.js 14.x
+   * - Puppeteer-core version 10.1.0
+   * - Chromium version 92.0.4512
+   *
+   * @see https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch_Synthetics_Library_nodejs_puppeteer.html#CloudWatch_Synthetics_runtimeversion-nodejs-puppeteer-3.5
+   */
+  public static readonly SYNTHETICS_NODEJS_PUPPETEER_3_5 = new Runtime('syn-nodejs-puppeteer-3.5', RuntimeFamily.NODEJS);
+
   /**
    * `syn-python-selenium-1.0` includes the following:
    * - Lambda runtime Python 3.8