chore(package): update p-retry to version 4.0.0

Author: greenkeeper[bot]

package.json

@@ -18,7 +18,7 @@
     "execa": "^1.0.0",
     "fs-extra": "^7.0.0",
     "got": "^9.0.0",
-    "p-retry": "^3.0.0",
+    "p-retry": "^4.0.0",
     "semantic-release": "^15.0.0",
     "tempy": "^0.2.1",
     "xo": "^0.24.0"