Add file-type override to resolve Dependabot alert

Adds file-type >=21.3.1 to overrides to fix the transitive dependency
vulnerability through jimp.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: Ashley Wolf

package.json

@@ -38,7 +38,8 @@
     "serve": "^14.2.6"
   },
   "overrides": {
-    "xml2js": "^0.6.0"
+    "xml2js": "^0.6.0",
+    "file-type": ">=21.3.1"
   },
   "resolutions": {
     "jimp/@jimp/plugins/@jimp/plugin-print/load-bmfont/parse-bmfont-xml/xml2js": "^0.6.0"