chore(package): update get-stream to version 4.0.0

Author: greenkeeper[bot]

package.json

@@ -34,7 +34,7 @@
     "commitizen": "^2.9.6",
     "cz-conventional-changelog": "^2.0.0",
     "file-url": "^2.0.2",
-    "get-stream": "^3.0.0",
+    "get-stream": "^4.0.0",
     "git-log-parser": "^1.2.0",
     "nyc": "^12.0.1",
     "semantic-release": "^15.0.0",