update fastboot

Author: Gaurav0

README.md

@@ -29,7 +29,7 @@ Ember Bootstrap works and is fully [tested](https://github.com/kaliber5/ember-bo
 * Bootstrap 3 and 4
 * all modern evergreen browsers (Chrome, Firefox, Safari, Edge)
 * node.js 12+
-* FastBoot 1.0+
+* FastBoot 3.0+
 * Embroider: we strive (and test) for maximum compatibility with Embroider, including the most aggressive setting 
 (`staticComponents`) for tree shaking and code splitting. However as Embroider itself is still considered beta software, 
 we won't be able to *guarantee* that for the time being.

package.json

@@ -99,8 +99,8 @@
     "ember-cli-browserstack": "^1.1.0",
     "ember-cli-content-security-policy": "^2.0.0-4",
     "ember-cli-dependency-checker": "^3.2.0",
-    "ember-cli-fastboot": "^2.2.3",
-    "ember-cli-fastboot-testing": "^0.5.0",
+    "ember-cli-fastboot": "^3.3.2",
+    "ember-cli-fastboot-testing": "^0.6.0",
     "ember-cli-inject-live-reload": "^2.0.2",
     "ember-cli-sri": "^2.1.1",
     "ember-cli-terser": "^4.0.2",