Source underlay for RHEL builds

Author: christophfroehlich

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

@@ -26,6 +26,7 @@ jobs:
       - name: Build and test
         run: |
           source /opt/ros/${{ env.ROS_DISTRO }}/setup.bash
+          source /opt/ros2_ws/install/setup.bash
           colcon build
           colcon test
           colcon test-result --verbose

.github/workflows/iron-rhel-binary-build.yml

@@ -27,6 +27,7 @@ jobs:
       - name: Build and test
         run: |
           source /opt/ros/${{ env.ROS_DISTRO }}/setup.bash
+          source /opt/ros2_ws/install/setup.bash
           colcon build
           colcon test
           colcon test-result --verbose

.github/workflows/rolling-rhel-binary-build.yml

@@ -27,6 +27,7 @@ jobs:
       - name: Build and test
         run: |
           source /opt/ros/${{ env.ROS_DISTRO }}/setup.bash
+          source /opt/ros2_ws/install/setup.bash
           colcon build
           colcon test
           colcon test-result --verbose