Update dependency ember-source to v4.9.3 (#5643)

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

Author: renovate[bot]

package.json

@@ -104,7 +104,7 @@
     "ember-qunit": "6.0.0",
     "ember-resolver": "8.0.3",
     "ember-router-scroll": "4.1.2",
-    "ember-source": "4.9.2",
+    "ember-source": "4.9.3",
     "ember-svg-jar": "2.4.2",
     "ember-template-lint": "5.2.0",
     "ember-test-selectors": "6.0.0",