Updated gscan to 6.6.0 (TryGhost#30613)

Author: acburdine

ghost/core/package.json

@@ -184,7 +184,7 @@
     "ghost-storage-base": "workspace:*",
     "glob": "catalog:",
     "got": "catalog:",
-    "gscan": "6.4.2",
+    "gscan": "6.6.0",
     "handlebars": "4.7.9",
     "heic-convert": "2.1.0",
     "hono": "catalog:",