Fix fast-xml-parser too

Author: stevebux

package-lock.json

@@ -64,7 +64,7 @@
   "name": "nhs-notify-supplier-api",
   "overrides": {
     "axios": "^1.13.5",
-    "fast-xml-parser": "^5.3.6",
+    "fast-xml-parser": "^5.5.6",
     "@isaacs/brace-expansion": "^5.0.1",
     "flatted": "^3.4.0",
     "undici": "^7.24.0",