Add merge_group trigger to jobs (#48)

Signed-off-by: Itxaka <itxaka.garcia@spectrocloud.com>

.github/workflows/build-iso.yaml

@@ -5,6 +5,7 @@ on:
     branches:
       - master
   pull_request:
+  merge_group:
 
 concurrency:
   group: iso-build-${{ github.head_ref || github.ref }}-${{ github.repository }}

.github/workflows/unit-tests.yaml

@@ -4,6 +4,7 @@ on:
     branches:
       - master
   pull_request:
+  merge_group:
 
 jobs:
   unit-tests: