Update embroider monorepo to v0.42.0

Author: renovate-bot

package.json

@@ -52,9 +52,9 @@
     "@ember/optional-features": "2.0.0",
     "@ember/render-modifiers": "1.0.2",
     "@ember/test-helpers": "2.2.8",
-    "@embroider/compat": "0.41.0",
-    "@embroider/core": "0.41.0",
-    "@embroider/webpack": "0.41.0",
+    "@embroider/compat": "0.42.0",
+    "@embroider/core": "0.42.0",
+    "@embroider/webpack": "0.42.0",
     "@glimmer/component": "1.0.4",
     "@glimmer/tracking": "1.0.4",
     "@percy/cli": "1.0.0-beta.52",