Bump docker/build-push-action from 5 to 6 (#8)

Author: dependabot[bot]

.github/workflows/docker-publish.yml

@@ -47,7 +47,7 @@ jobs:
           password: ${{ secrets.QUAY_ROBOT_TOKEN }}
       -
         name: Build and test docker image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           # context: .
           file: ./Dockerfile.alpine
@@ -82,7 +82,7 @@ jobs:
           sarif_file: 'trivy-results-alpine.sarif'
       - 
         name: Build and push Docker image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           # context: .
           file: ./Dockerfile.alpine
@@ -141,7 +141,7 @@ jobs:
           password: ${{ secrets.QUAY_ROBOT_TOKEN }}
       -
         name: Build and test docker image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           # context: .
           file: ./Dockerfile.debian
@@ -176,7 +176,7 @@ jobs:
           sarif_file: 'trivy-results-debian.sarif'
       - 
         name: Build and push Docker image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           # context: .
           file: ./Dockerfile.debian