Merge pull request #2156 from atom/dependabot/npm_and_yarn/node-fetch-2.6.0

Bump node-fetch from 2.5.0 to 2.6.0

Author: smashwilson

package-lock.json

@@ -103,7 +103,7 @@
     "mocha-junit-reporter": "1.22.0",
     "mocha-multi-reporters": "1.1.7",
     "mocha-stress": "1.0.0",
-    "node-fetch": "2.5.0",
+    "node-fetch": "2.6.0",
     "nyc": "14.0.0",
     "relay-compiler": "3.0.0",
     "semver": "6.0.0",