Update changelog.

Author: SergioEstevao

CHANGELOG.md

@@ -3,6 +3,7 @@ All notable changes to this project will be documented in this file.
 `WPMediaPicker` adheres to [Semantic Versioning](http://semver.org/).
 
 #### Releases
+- `1.5.0` Release  - [1.5](#1.5.0)
 - `1.4.2` Release  - [1.4](#1.4.2)
 - `1.4` Release  - [1.4](#1.4)
 - `1.3.4` Release  - [1.3.4](#1.3.4)
@@ -25,6 +26,13 @@ All notable changes to this project will be documented in this file.
 - `0.16` Releases - [0.16](#16)
 - `0.15` Releases - [0.15](#15)
 
+---
+## [1.5.0](https://github.com/wordpress-mobile/MediaPicker-iOS/releases/tag/1.5.0)
+Released on 2019-09-09. All issues associated with this milestone can be found using this [filter](https://github.com/wordpress-mobile/MediaPicker-iOS/pulls?utf8=✓&q=is%3Apr%20is%3Aclosed%20milestone%3A1.5.0).
+
+### Changes
+- Update code to have as minimum working version iOS 11.
+
 ---
 ## [1.4.2](https://github.com/wordpress-mobile/MediaPicker-iOS/releases/tag/1.4.2)
 Released on 2019-06-14. All issues associated with this milestone can be found using this [filter](https://github.com/wordpress-mobile/MediaPicker-iOS/pulls?utf8=✓&q=is%3Apr%20is%3Aclosed%20milestone%3A1.4.2).