Bump @webref/idl from 3.60.2 to 3.60.3 (#2193)

Author: dependabot[bot]

package-lock.json

@@ -100,7 +100,7 @@
     "@typescript-eslint/eslint-plugin": "8.24.0",
     "@webref/css": "6.20.3",
     "@webref/elements": "^2.4.0",
-    "@webref/idl": "3.60.2",
+    "@webref/idl": "3.60.3",
     "c8": "10.1.3",
     "chai": "4.5.0",
     "chai-as-promised": "8.0.1",