Merge pull request #1757 from atom/greenkeeper/dugite-1.79.0

Update dugite to 1.79.0

Author: smashwilson

package-lock.json

@@ -49,7 +49,7 @@
     "bytes": "^3.0.0",
     "classnames": "2.2.6",
     "compare-sets": "1.0.1",
-    "dugite": "^1.78.0",
+    "dugite": "^1.79.0",
     "event-kit": "2.5.1",
     "fs-extra": "4.0.3",
     "graphql": "0.13.2",