fix(package): update read-pkg-up to version 6.0.0

lib/get-config.js

@@ -85,6 +85,6 @@ module.exports = async (context, opts) => {
 };
 
 async function pkgRepoUrl(opts) {
-  const {pkg} = await readPkgUp(opts);
+  const {package: pkg} = (await readPkgUp(opts)) || {};
   return pkg && (isPlainObject(pkg.repository) ? pkg.repository.url : pkg.repository);
 }

package.json

@@ -40,7 +40,7 @@
     "marked-terminal": "^3.2.0",
     "p-locate": "^4.0.0",
     "p-reduce": "^2.0.0",
-    "read-pkg-up": "^5.0.0",
+    "read-pkg-up": "^6.0.0",
     "resolve-from": "^5.0.0",
     "semver": "^6.0.0",
     "signale": "^1.2.1",