misc: update OpenCore badge

Author: SkyrilHD

README.MD

@@ -1,6 +1,6 @@
 # Dell E7250 Hackintosh
 
-[![OpenCore Version](https://img.shields.io/badge/OpenCore-0.8.1-green.svg)](https://github.com/SkyrilHD/Dell-E7250-Hackintosh/)
+[![OpenCore Version](https://img.shields.io/badge/OpenCore-0.8.2-green.svg)](https://github.com/SkyrilHD/Dell-E7250-Hackintosh/)
 [![GitHub release](https://img.shields.io/github/tag/SkyrilHD/Dell-E7250-Hackintosh.svg)](https://github.com/SkyrilHD/Dell-E7250-Hackintosh/releases/)
 [![GitHub issues](https://img.shields.io/github/issues/SkyrilHD/Dell-E7250-Hackintosh.svg)](https://github.com/SkyrilHD/Dell-E7250-Hackintosh/issues/)