Update dependency @embroider/macros to v1.18.3 (#1040)

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

Author: renovate[bot]

packages/test-app/package.json

@@ -27,7 +27,7 @@
     "@ember/optional-features": "2.2.0",
     "@ember/string": "3.1.1",
     "@ember/test-helpers": "5.2.2",
-    "@embroider/macros": "1.18.2",
+    "@embroider/macros": "1.18.3",
     "@embroider/test-setup": "4.0.0",
     "@glimmer/component": "1.1.2",
     "broccoli-asset-rev": "3.0.0",