chore(deps): update dependency typescript to v6

Author: renovate[bot]

package-lock.json

@@ -128,7 +128,7 @@
     "prosemirror-schema-basic": "^1.2.4",
     "prosemirror-test-builder": "^1.1.1",
     "rollup-plugin-webpack-stats": "^3.1.3",
-    "typescript": "^5.9.3",
+    "typescript": "^6.0.3",
     "vite": "^7.3.6",
     "vite-plugin-commonjs": "^0.10.4",
     "vitest": "^4.1.10",