fix: package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/npm:lodash:20180130
- https://snyk.io/vuln/npm:minimatch:20160620

Latest report for piwonesien/nw-builder:
https://snyk.io/test/github/piwonesien/nw-builder

package.json

@@ -64,7 +64,7 @@
     "request": "~2.85.0",
     "rimraf": "^2.5.2",
     "semver": "^5.5.0",
-    "simple-glob": "~0.1.0",
+    "simple-glob": "~0.2.0",
     "tar-fs": "^1.13.0",
     "temp": "github:adam-lynch/node-temp#remove_tmpdir_dep",
     "thenify": "^3.3.0",