fix: package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/npm:tunnel-agent:20170305

Latest report for dustinblackman/championify:
https://snyk.io/test/github/dustinblackman/championify

package.json

@@ -43,7 +43,7 @@
     "moment": "^2.17.0",
     "open": "0.0.5",
     "ramda": "0.19.1",
-    "request": "2.68.0",
+    "request": "2.81.0",
     "request-progress": "0.3.1",
     "runas": "3.1.1",
     "semantic-ui-css": "2.2.4",