Build(deps): Bump ember-cli-typescript from 2.0.2 to 3.1.4

Bumps [ember-cli-typescript](https://github.com/typed-ember/ember-cli-typescript) from 2.0.2 to 3.1.4.
- [Release notes](https://github.com/typed-ember/ember-cli-typescript/releases)
- [Changelog](https://github.com/typed-ember/ember-cli-typescript/blob/master/CHANGELOG.md)
- [Commits](typed-ember/ember-cli-typescript@v2.0.2...v3.1.4)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

package.json

@@ -36,7 +36,7 @@
   },
   "dependencies": {
     "ember-cli-babel": "^7.13.0",
-    "ember-cli-typescript": "^2.0.2"
+    "ember-cli-typescript": "^3.1.4"
   },
   "devDependencies": {
     "@ember/optional-features": "^0.7.0",