attempting image build

Author: VegraD

.github/workflows/docker-export.yml

@@ -50,7 +50,7 @@ jobs:
 
       - name: Build docker images
         run: | 
-          /submodules/isaac_ros_common/scripts/build_image_layers.sh -i aarch64.ros2_humble.main
+          ./submodules/isaac_ros_common/scripts/build_image_layers.sh -i aarch64.ros2_humble.main
 
       - name: Get image name
         id: build_image