add ember-cli to existing ember-try scenarios

Author: mansona

config/ember-try.js

@@ -12,6 +12,7 @@ module.exports = async function () {
         npm: {
           devDependencies: {
             'ember-source': '~3.8.0',
+            'ember-cli': '~3.8.0',
           },
         },
       },
@@ -20,6 +21,7 @@ module.exports = async function () {
         npm: {
           devDependencies: {
             'ember-source': '~3.20.5',
+            'ember-cli': '~3.20.0',
           },
         },
       },
@@ -28,6 +30,7 @@ module.exports = async function () {
         npm: {
           devDependencies: {
             'ember-source': '~3.24.3',
+            'ember-cli': '~3.24.0',
           },
         },
       },
@@ -36,6 +39,7 @@ module.exports = async function () {
         npm: {
           devDependencies: {
             'ember-source': '~3.28.0',
+            'ember-cli': '~3.28.0',
           },
         },
       },