Update dependency ember-exam to v9.1.0 (#10760)

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

Author: renovate[bot]

package.json

@@ -101,7 +101,7 @@
     "ember-disable-prototype-extensions": "1.1.3",
     "ember-error-route": "0.2.0",
     "ember-event-helpers": "0.1.1",
-    "ember-exam": "9.0.0",
+    "ember-exam": "9.1.0",
     "ember-fetch": "8.1.2",
     "ember-inflector": "5.0.2",
     "ember-keyboard": "9.0.1",