update dockersize action checkout version

Author: josephjclark

.github/workflows/dockerize.yaml

@@ -13,7 +13,7 @@ jobs:
       should_build: ${{ steps.check.outputs.should_build }}
       docker_tag: ${{ steps.extract.outputs.docker_tag }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Extract Docker tag
@@ -48,7 +48,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
       - name: Set up Docker Buildx