Bump docker/setup-buildx-action from 2.4.1 to 2.6.0

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 2.4.1 to 2.6.0.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@f03ac48...6a58db7)

---
updated-dependencies:
- dependency-name: docker/setup-buildx-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/e2e_docker.yml

@@ -29,7 +29,7 @@ jobs:
         uses: docker/setup-qemu-action@e81a89b1732b9c48d79cd809d8d81d79c4647a18 # pin@v1
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@f03ac48505955848960e80bbb68046aa35c7b9e7 # pin@v1
+        uses: docker/setup-buildx-action@6a58db7e0d21ca03e6c44877909e80e45217eed2 # pin@v1
 
       - name: Cache Docker layers
         uses: actions/cache@69d9d449aced6a2ede0bc19182fadc3a0a42d2b0 # pin@v2