Fix ref_for_scheduled_build for humble (backport #296) (#297)

Author: mergify[bot]

.github/workflows/humble-binary-build.yml

@@ -29,7 +29,7 @@ jobs:
     with:
       ros_distro: humble
       ros_repo: ${{ matrix.ROS_REPO }}
-      ref_for_scheduled_build: master
+      ref_for_scheduled_build: humble
   binary_clang:
     uses: ros-controls/ros2_control_ci/.github/workflows/reusable-industrial-ci-with-cache.yml@master
     with:

.github/workflows/humble-binary-downstream-build.yml

@@ -22,7 +22,7 @@ jobs:
     with:
       ros_distro: humble
       ros_repo: testing
-      ref_for_scheduled_build: master
+      ref_for_scheduled_build: humble
       not_test_build: true
       downstream_workspace: ros_controls.humble.repos
       not_test_downstream: true