octokit client should follow proxy settings (#314)

src/internal-path.ts

@@ -1,6 +1,6 @@
-import * as assert from 'assert'
 import * as path from 'path'
 import * as pathHelper from './internal-path-helper'
+import assert from 'assert'
 
 const IS_WINDOWS = process.platform === 'win32'