chore(deps): update dependency @types/react-test-renderer to v19

Author: renovate[bot]

website/package.json

@@ -18,7 +18,7 @@
     "@types/katex": "^0.16.0",
     "@types/react": "~18.2.0",
     "@types/react-dom": "~18.2.0",
-    "@types/react-test-renderer": "^18.0.2",
+    "@types/react-test-renderer": "^19.0.0",
     "kkt": "^7.5.4",
     "source-map-explorer": "~2.5.2"
   },