Switch ts and babel for swc-loader

Replace old <> assertion syntax

src/utils/MoneySourceTracker.ts

@@ -38,7 +38,7 @@ export class MoneySourceTracker {
       return;
     }
 
-    (<number>this[sanitizedSource]) += amt;
+    (this[sanitizedSource] as number) += amt;
     this.total += amt;
   }