Update build.yml

Author: madsoulswe

.github/workflows/build.yml

@@ -7,6 +7,7 @@
 name: Build and release
 
 env:
+  ACTIONS_ALLOW_UNSECURE_COMMANDS: true
   NAME: Our.Umbraco.CopyVariant
   OUTPUT: ./Output
   LIBRARY_FOLDER: ./src/Our.Umbraco.CopyVariant