chore(deps): update dependency ember-exam to v9 (#9197)

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

Author: renovate[bot]

pnpm-lock.yaml

@@ -132,7 +132,7 @@
     "ember-data": "workspace:5.5.0-alpha.11",
     "ember-decorators-polyfill": "^1.1.5",
     "ember-disable-prototype-extensions": "^1.1.3",
-    "ember-exam": "^8.0.0",
+    "ember-exam": "^9.0.0",
     "ember-inflector": "^4.0.2",
     "ember-load-initializers": "^2.1.2",
     "ember-maybe-import-regenerator": "^1.0.0",