build(deps): bump docker/setup-buildx-action from 3 to 4

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 3 to 4.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@v3...v4)

---
updated-dependencies:
- dependency-name: docker/setup-buildx-action
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/preview.yaml

@@ -23,7 +23,7 @@ jobs:
       - run: echo "APP_REVISION=$(git rev-parse --short HEAD)" >> $GITHUB_ENV
 
       - uses: docker/setup-qemu-action@v4
-      - uses: docker/setup-buildx-action@v3
+      - uses: docker/setup-buildx-action@v4
         id: buildx
       - name: Builder instance name
         run: echo ${{ steps.buildx.outputs.name }}

.github/workflows/release.yaml

@@ -46,7 +46,7 @@ jobs:
       - run: echo "APP_REVISION=$(git rev-parse --short HEAD)" >> $GITHUB_ENV
 
       - uses: docker/setup-qemu-action@v4
-      - uses: docker/setup-buildx-action@v3
+      - uses: docker/setup-buildx-action@v4
         id: buildx
       - name: Builder instance name
         run: echo ${{ steps.buildx.outputs.name }}