bump workflows version

Author: Roozki

.github/workflows/install_and_build.yaml

@@ -16,7 +16,7 @@ jobs:
          source /opt/ros/humble/setup.bash
          echo $ROS_DISTRO
          colcon build --symlink-install --packages-skip sweeppy
-     - uses: actions/upload-artifact@v3
+     - uses: actions/upload-artifact@v4
        with:
          name: rover_ws
          path: install/

.github/workflows/integration_tests.yaml

@@ -8,7 +8,7 @@ jobs:
      - uses: actions/checkout@v4
        with: # added this, might fix a bug that's taken over 3 hours to find
           submodules: recursive
-     - uses: actions/download-artifact@v3
+     - uses: actions/download-artifact@v4
        with:
          name: rover_ws
          path: install/