Update docker/setup-buildx-action digest to 8d2750c

Author: renovate[bot]

.github/workflows/docker-test.yml

@@ -24,7 +24,7 @@ jobs:
         uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3
+        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3
 
       - name: Build Docker image
         uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6