Upgrade axios to avoid vulnerability

Author: stevebux

package-lock.json

@@ -52,6 +52,7 @@
   },
   "name": "nhs-notify-supplier-api",
   "overrides": {
+    "axios": "^1.13.5",
     "fast-xml-parser": "^5.3.4",
     "pretty-format": {
       "react-is": "19.0.0"