Enable merge group checks for our workflows. (#14005)

* Enable merge group checks for our workflows.

* Update build-test-release.yml

* Update validate-rgas.yml

* Update validate-rsis.yml

* Update validate_mapfiles.yml

* Update yaml-linter.yml

* Update test-packaging.yml

.github/workflows/build-test-debug.yml

@@ -13,6 +13,7 @@ on:
       # why not just do both
       - 'RobustToolbox'
       - 'RobustToolbox/**'
+  merge_group:
   pull_request:
     types: [ opened, reopened, synchronize, ready_for_review ]
     branches: [ master ]
@@ -25,6 +26,7 @@ on:
       - 'RobustToolbox'
       - 'RobustToolbox/**'
 
+
 jobs:
   build:
     if: github.actor != 'PJBot' && github.event.pull_request.draft == false