chore(deps): update dependency typescript to v6 (#744)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

fontspector-web/www/package-lock.json

@@ -25,7 +25,7 @@
     "harfbuzzjs": "^0.10.0",
     "jquery": "^4.0.0",
     "sass-embedded": "^1.97.3",
-    "typescript": "^5.9.3",
+    "typescript": "^6.0.0",
     "vite": "^7.3.1",
     "vite-plugin-static-copy": "^3.2.0",
     "vite-plugin-top-level-await": "^1.6.0",