Update build-push-action to latest v6

Author: 0x00101010

.github/workflows/docker.yml

@@ -3,9 +3,9 @@ name: Tag Docker image
 on:
   push:
     branches:
-      - 'main'
+      - "main"
     tags:
-      - 'v*'
+      - "v*"
 
 env:
   REGISTRY: ghcr.io
@@ -41,7 +41,7 @@ jobs:
         uses: docker/setup-buildx-action@v3
 
       - name: Build and push the Docker image
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v6
         with:
           context: .
           file: geth/Dockerfile
@@ -78,7 +78,7 @@ jobs:
         uses: docker/setup-buildx-action@v3
 
       - name: Build and push the Docker image
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v6
         with:
           context: .
           file: reth/Dockerfile
@@ -96,29 +96,29 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
-  
+
       - name: Log into the Container registry
         uses: docker/login-action@v3
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
-  
+
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2
         with:
           platforms: ${{ matrix.arch }}
-  
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
-  
+
       - name: Extract metadata for the Docker image
         id: meta
         uses: docker/metadata-action@v4
         with:
           images: |
             ${{ env.NAMESPACE }}/${{ env.NETHERMIND_IMAGE_NAME }}
-  
+
       - name: Build and push the Docker image
         uses: docker/build-push-action@v6
         with: