chore(deps): update embroider monorepo

Author: renovate[bot]

docsSrc/package.json

@@ -25,10 +25,10 @@
   "devDependencies": {
     "@ember/optional-features": "^2.0.0",
     "@ember/test-helpers": "^2.8.1",
-    "@embroider/compat": "^1.8.0",
-    "@embroider/core": "^1.8.0",
-    "@embroider/router": "^1.8.0",
-    "@embroider/webpack": "^1.8.0",
+    "@embroider/compat": "^4.0.0",
+    "@embroider/core": "^4.0.0",
+    "@embroider/router": "^3.0.0",
+    "@embroider/webpack": "^4.0.0",
     "@glimmer/component": "^1.1.2",
     "@glimmer/tracking": "^1.1.2",
     "@tailwindcss/forms": "0.5.3",