Update dependency ember-source to v4.12.0 (#658)

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

Author: renovate[bot]

package.json

@@ -49,7 +49,7 @@
     "ember-maybe-import-regenerator": "1.0.0",
     "ember-qunit": "6.0.0",
     "ember-resolver": "8.1.0",
-    "ember-source": "4.11.0",
+    "ember-source": "4.12.0",
     "ember-try": "2.0.0",
     "eslint": "8.37.0",
     "eslint-config-simplabs": "0.4.0",