Bump actions/checkout from 4 to 6 (#292)

Author: dependabot[bot]

.github/workflows/ci.yaml

@@ -36,7 +36,7 @@ jobs:
     name: ${{ matrix.env.ROS_DISTRO }}-${{ matrix.env.ROS_REPO }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - id: ici
         name: Run industrial_ci
         uses: ros-industrial/industrial_ci@master

.github/workflows/format.yaml

@@ -15,7 +15,7 @@ jobs:
     name: pre-commit
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v5
       - name: Install clang-format
         run: sudo apt-get install clang-format