Bump docker/setup-buildx-action from 2.2.1 to 2.4.0

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 2.2.1 to 2.4.0.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](https://github.com/docker/setup-buildx-action/compare/v2.2.1...v2.4.0)

---
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/docker-publish.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2.2.1
+        uses: docker/setup-buildx-action@v2.4.0
       - name: Build
         run: docker build -t gameservermanagers/linuxgsm:ubuntu-22.04 -f ./Dockerfile.ubuntu-2204 .
       - name: Test
@@ -53,7 +53,7 @@ jobs:
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2.2.1
+        uses: docker/setup-buildx-action@v2.4.0
       - name: Build
         run: docker build -t gameservermanagers/linuxgsm:ubuntu-20.04 -f ./Dockerfile.ubuntu-2004 .
       - name: Test
@@ -88,7 +88,7 @@ jobs:
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2.2.1
+        uses: docker/setup-buildx-action@v2.4.0
       - name: Build
         run: docker build -t gameservermanagers/linuxgsm:ubuntu-18.04 -f ./Dockerfile.ubuntu-1804 .
       - name: Test