Bump docker/setup-buildx-action from 3.3.0 to 3.4.0 in the ci group

Bumps the ci group with 1 update: [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action).


Updates `docker/setup-buildx-action` from 3.3.0 to 3.4.0
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](d70bba72b1...4fd812986e)

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

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

.github/workflows/nightly.yaml

@@ -20,7 +20,7 @@ jobs:
         uses: docker/setup-qemu-action@5927c834f5b4fdf503fca6f4c7eccda82949e1ee # v3.1.0
       - name: Setup Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@d70bba72b1f3fd22344832f00baa16ece964efeb # v3.3.0
+        uses: docker/setup-buildx-action@4fd812986e6c8c2a69e18311145f9371337f27d4 # v3.4.0
       - name: Build multi-arch container image
         uses: docker/build-push-action@1a162644f9a7e87d8f4b053101d1d9a712edc18c # v6.3.0
         with:

.github/workflows/release.yml

@@ -45,7 +45,7 @@ jobs:
         uses: docker/setup-qemu-action@5927c834f5b4fdf503fca6f4c7eccda82949e1ee # v3.1.0
       - name: Setup Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@d70bba72b1f3fd22344832f00baa16ece964efeb # v3.3.0
+        uses: docker/setup-buildx-action@4fd812986e6c8c2a69e18311145f9371337f27d4 # v3.4.0
       - name: Login to GitHub Container Registry
         uses: docker/login-action@0d4c9c5ea7693da7b068278f7b52bda2a190a446 # v3.2.0
         with: