ci: Set semantic-release concurrency

Author: razor-x

.github/workflows/semantic-release.yml

@@ -8,6 +8,10 @@ on:
     branches:
       - '**'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref_name }}
+  cancel-in-progress: true
+
 jobs:
   semantic:
     name: Determine version