chore: fix clean-cache paths

bin/clean-cache.js

@@ -2,6 +2,5 @@ const fs = require('fs-extra');
 const os = require('os');
 
 (async () => {
-  await fs.remove(os.tmpdir() + '/renovate-cache-changelog-v3');
-  await fs.remove(os.tmpdir() + '/renovate-npm-cache');
+  await fs.remove(os.tmpdir() + '/renovate-cache-v1');
 })();