chore(deps): ambient types

Author: renovate[bot]

package.json

@@ -22,9 +22,9 @@
     "@commitlint/travis-cli": "7.6.1",
     "@mike-north/js-lib-renovate-config": "1.2.0",
     "@mike-north/js-lib-semantic-release-config": "1.0.1",
-    "@types/ember": "3.0.29",
-    "@types/ember-qunit": "3.4.15",
-    "@types/ember__test-helpers": "0.7.12",
+    "@types/ember": "4.0.11",
+    "@types/ember-qunit": "6.1.3",
+    "@types/ember__test-helpers": "2.9.3",
     "@types/qunit": "2.5.4",
     "@types/rsvp": "4.0.4",
     "babel-eslint": "10.1.0",