chore: Update node and Go environment images in CI (#2240)

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>

test/tests/test_environments/node_src/test-case-1/helloWorld.js

@@ -1,4 +1,4 @@
-module.exports = async function (context) {
+module.exports = async (context) => {
   return {
     status: 200,
     body: "hello, world!\n",

test/tests/test_environments/node_src/test-case-2/helloUser.js

@@ -1,6 +1,6 @@
 var url = require("url");
 
-module.exports = async function (context) {
+module.exports = async (context) => {
   console.log(context.request.url);
 
   var url_parts = url.parse(context.request.url, true);

test/tests/test_environments/node_src/test-case-3/wordCount.js

@@ -1,4 +1,4 @@
-module.exports = async function (context) {
+module.exports = async (context) => {
   var splitStringArray = context.request.split(" ");
 
   return {

test/tests/test_environments/node_src/test-case-4/momentExample.js

@@ -1,6 +1,6 @@
 const momentpackage = require("moment");
 
-module.exports = async function (context) {
+module.exports = async (context) => {
   return {
     status: 200,
     body: "Hello " + momentpackage().format(),