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

Author: greenkeeper[bot]

package.json

@@ -41,7 +41,7 @@
     "got": "^9.0.0",
     "nock": "^10.0.0",
     "nyc": "^13.1.0",
-    "p-retry": "^3.0.0",
+    "p-retry": "^4.0.0",
     "semantic-release": "^15.0.0",
     "sinon": "^7.1.1",
     "stream-buffers": "^3.0.2",