Update docker/setup-buildx-action action to v2

Author: renovate[bot]

.github/workflows/docker.yml

@@ -14,7 +14,7 @@ jobs:
     steps:
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v2
 
       - name: Login to DockerHub
         uses: docker/login-action@v1
@@ -50,7 +50,7 @@ jobs:
     steps:
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v2
 
       - name: Login to DockerHub
         uses: docker/login-action@v1