Update dependency @embroider/test-setup to v4

Author: renovate[bot]

package.json

@@ -39,7 +39,7 @@
     "@ember/optional-features": "2.0.0",
     "@ember/string": "3.0.1",
     "@ember/test-helpers": "2.9.3",
-    "@embroider/test-setup": "2.1.1",
+    "@embroider/test-setup": "4.0.0",
     "@glimmer/component": "1.1.2",
     "@glimmer/tracking": "1.1.2",
     "babel-eslint": "10.1.0",

yarn.lock

@@ -1133,10 +1133,10 @@
     semver "^7.3.5"
     typescript-memoize "^1.0.1"
 
-"@embroider/test-setup@2.1.1":
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/@embroider/test-setup/-/test-setup-2.1.1.tgz#1cf613f479ed120fdc5d71cb834c8fb71514cce1"
-  integrity sha512-t81a2z2OEFAOZVbV7wkgiDuCyZ3ajD7J7J+keaTfNSRiXoQgeFFASEECYq1TCsH8m/R+xHMRiY59apF2FIeFhw==
+"@embroider/test-setup@4.0.0":
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/@embroider/test-setup/-/test-setup-4.0.0.tgz#080dd40314a53cc6f6fcffed41cd24ee0cb48b3d"
+  integrity sha512-1S3Ebk0CEh3XDqD93AWSwQZBCk+oGv03gtkaGgdgyXGIR7jrVyDgEnEuslN/hJ0cuU8TqhiXrzHMw7bJwIGhWw==
   dependencies:
     lodash "^4.17.21"
     resolve "^1.20.0"