build(deps): Bump docker/setup-buildx-action from 3.4.0 to 3.6.1

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 3.4.0 to 3.6.1.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@4fd8129...988b5a0)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/artifacts.yaml

@@ -64,7 +64,7 @@ jobs:
         uses: docker/setup-qemu-action@5927c834f5b4fdf503fca6f4c7eccda82949e1ee # v3.1.0
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@4fd812986e6c8c2a69e18311145f9371337f27d4 # v3.4.0
+        uses: docker/setup-buildx-action@988b5a0280414f521da01fcc63a27aeeb4b104db # v3.6.1
 
       - name: Set up Cosign
         uses: sigstore/cosign-installer@59acb6260d9c0ba8f4a2f9d9b48431a222b68e20 # v3.5.0