Added concurrency setting.

Author: phx-mpascale

.github/workflows/cicd.yml

@@ -10,6 +10,10 @@ on:
     branches:
       - main
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 env:
   DOCUMENTATION_CNAME: 'engineeringworkflow.docs.pyansys.com'
   MAIN_PYTHON_VERSION: '3.13'