Bump GitHub Action versions

jlumbroso/free-disk-space from v1.3.0 to v1.3.1
docker/build-push-action from v5 to v6

.github/workflows/docker-build.yml

@@ -40,7 +40,7 @@ jobs:
       # https://github.com/jlumbroso/free-disk-space
       - name: Free Disk Space (Ubuntu)
         if: ${{ inputs.FREE_RUNNER_DISK_SPACE_BEFORE_BUILD }}
-        uses: jlumbroso/[email protected].0
+        uses: jlumbroso/[email protected].1
 
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       # https://github.com/actions/checkout
@@ -80,10 +80,10 @@ jobs:
       # https://github.com/docker/build-push-action
       - name: Build and push
         id: docker_build
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
-          context: ./
-          file: ./Dockerfile
+          context: .
+          file: Dockerfile
           platforms: ${{ inputs.DOCKER_IMAGE_PLATFORMS }}
           builder: ${{ steps.buildx.outputs.name }}
           push: true