chore(release): 2.3.0 [skip ci]

# [2.3.0](v2.2.0...v2.3.0) (2019-10-13)

### Bug Fixes

* **gh-jira:** only freeze options object when testing ([a227cc4](a227cc4))

### Features

* **plugins:** allow plugins to use cookie in custom header ([fd9865a](fd9865a))

package.json

@@ -1,7 +1,7 @@
 {
  "name": "gh",
  "description": "GitHub command line tools.",
- "version": "2.2.0",
+ "version": "2.3.0",
  "homepage": "http://nodegh.io",
  "author": {
  "name": "Eduardo Lundgren",