Update dependency ember-cli to v5.12.0 (#590)

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

Author: renovate[bot]

package.json

@@ -39,7 +39,7 @@
     "broccoli-asset-rev": "3.0.0",
     "concurrently": "8.2.2",
     "ember-auto-import": "2.8.1",
-    "ember-cli": "5.11.0",
+    "ember-cli": "5.12.0",
     "ember-cli-dependency-checker": "3.3.2",
     "ember-cli-inject-live-reload": "2.1.0",
     "ember-cli-sri": "2.1.1",