[GHA] Code style checks trigger in queue (openvinotoolkit#29027)

Signed-off-by: Alina Kladieva <alina.kladieva@intel.com>

Author: akladiev

.github/workflows/code_style.yml

@@ -1,5 +1,5 @@
 name: Code Style
-on: [pull_request]
+on: [pull_request, merge_group]
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}