Use dotnet 8 (required by updated Atlus Script Tools)

Author: AnimatedSwine37

global.json

@@ -1,6 +1,7 @@
 {
-    "sdk": {
-      "version": "7.0.100",
-      "rollForward": "latestFeature"
-    }
-  }
+  "sdk": {
+    "version": "8.0.0",
+    "rollForward": "latestFeature",
+    "allowPrerelease": true
+  }
+}