chore(deps): update actions/checkout action to v6 (#1971)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/build_and_ship.yaml

@@ -14,7 +14,7 @@ jobs:
     outputs:
       matrix: ${{ steps.set-matrix.outputs.matrix }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - id: set-matrix
         run: |
           matrix=$(jq -ncR '[inputs]' <<< $(ls containers))
@@ -27,7 +27,7 @@ jobs:
       matrix:
         container: ${{ fromJson(needs.set-matrix.outputs.matrix) }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: docker/login-action@v3
         with:
           registry: ghcr.io