fix(deps): update dependency pumpify to v2 (#516)

Author: renovate[bot]

package.json

@@ -66,7 +66,7 @@
     "is": "^3.2.1",
     "on-finished": "^2.3.0",
     "protobufjs": "^6.8.8",
-    "pumpify": "^1.5.1",
+    "pumpify": "^2.0.0",
     "snakecase-keys": "^3.0.0",
     "stream-events": "^1.0.4",
     "through2": "^3.0.0",