chore(deps): update dependency find-cache-dir to v6

Author: renovate[bot]

packages/builder-rsbuild/package.json

@@ -84,7 +84,7 @@
     "@types/fs-extra": "^11.0.4",
     "@types/node": "^18.19.110",
     "@types/pretty-hrtime": "^1.0.3",
-    "find-cache-dir": "^5.0.0",
+    "find-cache-dir": "^6.0.0",
     "prebundle": "^1.5.0",
     "pretty-hrtime": "^1.0.3",
     "slash": "^5.1.0",