Bump file-type from 20.0.1 to 21.0.0 (#55815)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -273,7 +273,7 @@
     "escape-string-regexp": "5.0.0",
     "express": "4.21.2",
     "fastest-levenshtein": "1.0.16",
-    "file-type": "20.0.1",
+    "file-type": "21.0.0",
     "flat": "^6.0.1",
     "github-slugger": "^2.0.0",
     "glob": "11.0.2",