Merge pull request #2443 from element-hq/renovate/docker-setup-buildx-action-digest

Update docker/setup-buildx-action digest to abe89fb

Author: fkwp

.github/workflows/docker.yaml

@@ -48,7 +48,7 @@ jobs:
           tags: ${{ inputs.docker_tags}}
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@5138f76647652447004da686b2411557eaf65f33
+        uses: docker/setup-buildx-action@abe89fb761023d1d963c81f6b5e0df54236dc097
 
       - name: Build and push Docker image
         uses: docker/build-push-action@f6010ea70151369b06f0194be1051fbbdff851b2