Fix syntax?

Author: Banane9

.github/workflows/build.yml

@@ -4,7 +4,7 @@ name: dotnet-CI
 
 # Trigger the action on push to master
 on:
-  workflow_call: []  # Allow reusing this workflow
+  workflow_call: {}  # Allow reusing this workflow
   push:
     branches:
       - master       # Run for pushes to master