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

Author: renovate-runner[bot]

.github/workflows/ci.yml

@@ -86,7 +86,7 @@ jobs:
         uses: docker/setup-qemu-action@29109295f81e9208d7d86ff1c6c12d2833863392 # v3
       - name: Set up Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3
+        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3
         with:
           install: true
       - name: Inspect builder