chore(CI): RunUnityTests - updated unityVersion

Author: MrGadget1024

.github/workflows/RunUnityTests.yml

@@ -16,7 +16,7 @@ jobs:
           - 2021.3.45f1
           - 2022.3.62f1
           - 2023.2.20f1
-          - 6000.1.2f1
+          - 6000.1.5f1
 
     steps:
       - name: Checkout repository