chore(deps): update docker/setup-buildx-action digest to e468171

Author: renovate[bot]

.github/workflows/deploy-docker-image.yaml

@@ -33,7 +33,7 @@ jobs:
 
       # Workaround: https://github.com/docker/build-push-action/issues/461
       - name: Setup Docker buildx
-        uses: docker/setup-buildx-action@79abd3f86f79a9d68a23c75a09a9a85889262adf
+        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435
 
       # Login against a Docker registry except on PR
       # https://github.com/docker/login-action