Bump docker/setup-buildx-action

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


Updates `docker/setup-buildx-action` from 4.2.0 to 4.3.0
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@bb05f3f...37fe631)

---
updated-dependencies:
- dependency-name: docker/setup-buildx-action
  dependency-version: 4.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions-minor
...

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

Author: dependabot[bot]

.github/workflows/release-docker.yml

@@ -70,7 +70,7 @@ jobs:
     # -----------------------------------------------------------------------
     # Build & push
     # -----------------------------------------------------------------------
-    - uses: docker/setup-buildx-action@bb05f3f5519dd87d3ba754cc423b652a5edd6d2c # v4.2.0
+    - uses: docker/setup-buildx-action@37fe631027851001ddb9b187196cc803df7f5f0e # v4.3.0
 
     - uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4.6.0
       with: