ci: Cancel duplicated, in progress jobs.

Signed-off-by: Abdelatif Guettouche <[email protected]>

Author: Ouss4

.github/workflows/push.yml

@@ -7,6 +7,10 @@ on:
     - release/*
   pull_request:
 
+concurrency:
+  group: build-${{github.event.pull_request.number || github.ref}}
+  cancel-in-progress: true
+
 jobs:
 
   # Ubuntu