fix: update fast-xml-parser because of vulnerability (again) (#723)

Fixing vulnerability of package fast-xml-parser once again:
GHSA-8gc5-j5rx-235r
GHSA-jp2q-39xq-3w4g
GHSA-fj3w-jwp8-x2g3

Co-authored-by: Antonio González Viegas <antoniogviegas@hotmail.com>

Author: pstowasser01

packages/core/package.json

@@ -47,7 +47,7 @@
     "web-ifc": "0.0.77"
   },
   "dependencies": {
-    "fast-xml-parser": "5.5.6",
+    "fast-xml-parser": "5.6.0",
     "jszip": "3.10.1",
     "three-mesh-bvh": "0.9.9"
   },