Update actions/checkout action to v4 (#32)

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

Author: renovate[bot]

.github/workflows/build_and_push.yml

@@ -47,7 +47,7 @@ jobs:
         run: |
           docker login --username="$DOCKER_USERNAME" --password-stdin $DOCKER_REGISTRY <<< "$DOCKER_PASSWORD"
       - name: Checkout sources
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           ref: ${{ inputs.ref }}
           fetch-depth: 0