Update turbo to version 2.8.20

Author: depfu[bot]

package.json

@@ -56,7 +56,7 @@
     "prettier-plugin-embed": "^0.5.1",
     "prettier-plugin-organize-imports": "^4.3.0",
     "tsup": "^8.5.1",
-    "turbo": "^2.7.6",
+    "turbo": "^2.8.20",
     "typescript": "^5.5.4",
     "vitest": "^4.0.18"
   },