Merge pull request FlexBE#24 from fmessmer/fix/update_gha_version

update action version

Author: fmessmer

.github/workflows/main.yml

@@ -28,10 +28,10 @@ jobs:
           - { ROS_DISTRO: noetic }
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           lfs: true
 
       - uses: ros-industrial/industrial_ci@master
         with:
-          config: ${{toJSON(matrix)}}
+          config: ${{toJSON(matrix)}}