chore: adjust zizmor

Signed-off-by: Jan Kowalleck <jan.kowalleck@gmail.com>

Author: jkowalleck

.github/workflows/zizmor.yml

@@ -10,6 +10,10 @@ on:
 
 permissions: {}
 
+concurrency:
+  group: '${{ github.workflow }}-${{ github.ref }}'
+  cancel-in-progress: true
+
 jobs:
   zizmor:
     runs-on: ubuntu-latest