Update get_versions.yml

Bumping to 4.8.0

Author: Keboo

.github/workflows/get_versions.yml

@@ -23,7 +23,7 @@ jobs:
   getting_versions:
     env:
       #Update these base version numbers
-      mdix-version: "4.7.2"
+      mdix-version: "4.8.0"
       mdix-colors-version: "2.1.2"
       mdix-mahapps-version: "0.2.8"
     name: Set version numbers