fix(AWS SNS Trigger Node): add missing jsonParse import (#4463)

* fix(AwsSnsTrigger): add missing jsonParse import

* add clear typings for req.rawBody and getHeaderData()

packages/cli/src/WebhookServer.ts

@@ -236,7 +236,6 @@ class App {
 		// Make sure that each request has the "parsedUrl" parameter
 		this.app.use((req: express.Request, res: express.Response, next: express.NextFunction) => {
 			(req as ICustomRequest).parsedUrl = parseUrl(req);
-			// @ts-ignore
 			req.rawBody = Buffer.from('', 'base64');
 			next();
 		});
@@ -246,7 +245,6 @@ class App {
 			bodyParser.json({
 				limit: '16mb',
 				verify: (req, res, buf) => {
-					// @ts-ignore
 					req.rawBody = buf;
 				},
 			}),
@@ -269,7 +267,6 @@ class App {
 			bodyParser.text({
 				limit: '16mb',
 				verify: (req, res, buf) => {
-					// @ts-ignore
 					req.rawBody = buf;
 				},
 			}),
@@ -280,7 +277,6 @@ class App {
 			bodyParser.urlencoded({
 				extended: false,
 				verify: (req, res, buf) => {
-					// @ts-ignore
 					req.rawBody = buf;
 				},
 			}),