Update composer.json and changelog.

Author: l-helmus-youwe

CHANGELOG.md

@@ -10,4 +10,4 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Declare strict type.
 
 ### Changed
-- Vendor name from Youwe to Mediact
+- Vendor name from Mediact to Youwe

composer.json

@@ -16,7 +16,7 @@
     "require-dev": {
         "mediact/testing-suite": "@stable",
         "kint-php/kint": "@stable",
-        "mediact/coding-standard": "dev-feature/OTPBBBBBZP-117",
+        "youwe/coding-standard": "dev-master",
         "mikey179/vfsstream": "^1.6",
         "ext-simplexml": "*"
     },