Update embroider monorepo (#10822)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -63,8 +63,8 @@
     "@ember/string": "4.0.1",
     "@ember/test-helpers": "5.1.0",
     "@ember/test-waiters": "3.1.0",
-    "@embroider/compat": "3.8.3",
-    "@embroider/core": "3.5.3",
+    "@embroider/compat": "3.8.4",
+    "@embroider/core": "3.5.4",
     "@embroider/webpack": "4.1.0",
     "@eslint/eslintrc": "3.3.0",
     "@eslint/js": "9.22.0",