fix(dynamodb): fix requestParameters configuration reference

Author: Jeremiah Langner

lib/package/dynamodb/compileMethodsToDynamodb.js

@@ -147,7 +147,7 @@ module.exports = {
 
   getDynamodbIntegrationRequestParameters(http) {
     const defaultRequestParameters = this.buildDefaultDynamodbRequestParameters(http)
-    return Object.assign(defaultRequestParameters, _.get(http, ['request', 'requestParameters']))
+    return Object.assign(defaultRequestParameters, _.get(http, ['requestParameters']))
   },
 
   buildDefaultDynamodbRequestParameters(http) {