Update docker/setup-buildx-action action to v3 (#122)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/pull_request.yml

@@ -43,7 +43,7 @@ jobs:
       uses: docker/setup-qemu-action@v3
 
     - name: Set up Docker Buildx
-      uses: docker/setup-buildx-action@v2
+      uses: docker/setup-buildx-action@v3
 
     - name: Login to Registry
       uses: docker/login-action@v2

.github/workflows/push.yml

@@ -49,7 +49,7 @@ jobs:
       uses: docker/setup-qemu-action@v3
 
     - name: Set up Docker Buildx
-      uses: docker/setup-buildx-action@v2
+      uses: docker/setup-buildx-action@v3
 
     - name: Login to Registry
       uses: docker/login-action@v2