Updates policy files from SBT [ci skip]

Author: 47erbot

CONTRIBUTING.md

@@ -1,6 +1,6 @@
 # Contributing
 
-Discussion around Github4s happens in the [Gitter channel](https://gitter.im/47deg/github4s) as well as on
+Discussion around Github4s happens in the [Gitter channel](https://gitter.im/47degrees/github4s) as well as on
 [GitHub issues](https://github.com/47degrees/github4s/issues) and [pull requests](https://github.com/47degrees/github4s/pulls).
 
 Feel free to open an issue if you notice a bug, have an idea for a feature, or have a question about

README.md

@@ -1,7 +1,7 @@
 
 [comment]: # (Start Badges)
 
-[![Build Status](https://travis-ci.org/47degrees/github4s.svg?branch=master)](https://travis-ci.org/47degrees/github4s) [![Join the chat at https://gitter.im/47deg/github4s](https://badges.gitter.im/47deg/github4s.svg)](https://gitter.im/47deg/github4s?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) [![codecov.io](http://codecov.io/gh/47deg/github4s/branch/master/graph/badge.svg)](http://codecov.io/gh/47deg/github4s) [![Maven Central](https://img.shields.io/badge/maven%20central-0.22.0-green.svg)](https://oss.sonatype.org/#nexus-search;gav~com.47deg~github4s*) [![License](https://img.shields.io/badge/license-Apache%202-blue.svg)](https://raw.githubusercontent.com/47deg/github4s/master/LICENSE) [![Latest version](https://img.shields.io/badge/github4s-0.22.0-green.svg)](https://index.scala-lang.org/47deg/github4s) [![GitHub Issues](https://img.shields.io/github/issues/47deg/github4s.svg)](https://github.com/47degrees/github4s/issues)
+[![Build Status](https://travis-ci.org/47degrees/github4s.svg?branch=master)](https://travis-ci.org/47degrees/github4s) [![Join the chat at https://gitter.im/47degrees/github4s](https://badges.gitter.im/47degrees/github4s.svg)](https://gitter.im/47degrees/github4s?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) [![codecov.io](http://codecov.io/gh/47degrees/github4s/branch/master/graph/badge.svg)](http://codecov.io/gh/47degrees/github4s) [![Maven Central](https://img.shields.io/badge/maven%20central-0.23.0-green.svg)](https://oss.sonatype.org/#nexus-search;gav~com.47deg~github4s*) [![License](https://img.shields.io/badge/license-Apache%202-blue.svg)](https://raw.githubusercontent.com/47degrees/github4s/master/LICENSE) [![Latest version](https://img.shields.io/badge/github4s-0.23.0-green.svg)](https://index.scala-lang.org/47degrees/github4s) [![GitHub Issues](https://img.shields.io/github/issues/47degrees/github4s.svg)](https://github.com/47degrees/github4s/issues)
 
 [comment]: # (End Badges)
 
@@ -17,7 +17,7 @@ To get started with SBT, simply add the following to your build.sbt file.
 [comment]: # (Start Replace)
 
 ```scala
-libraryDependencies += "com.47deg" %% "github4s" % "0.22.0"
+libraryDependencies += "com.47deg" %% "github4s" % "0.23.0"
 ```
 
 [comment]: # (End Replace)