chore: bump docker/setup-buildx-action from 3 to 4 (#1223)

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
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/after-push-to-branch.yaml

@@ -34,7 +34,7 @@ jobs:
         go-version-file: documentation/go.mod
         cache: true
     - uses: docker/setup-qemu-action@v4
-    - uses: docker/setup-buildx-action@v3
+    - uses: docker/setup-buildx-action@v4
     - name: Log in to GHCR
       run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin
     - name: Push latest and github-ref images
@@ -54,7 +54,7 @@ jobs:
         go-version-file: documentation/go.mod
         cache: true
     - uses: docker/setup-qemu-action@v4
-    - uses: docker/setup-buildx-action@v3
+    - uses: docker/setup-buildx-action@v4
     - name: Log in to GHCR
       run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin
     - name: Push latest and github-ref images

.github/workflows/after-tag-with-version.yaml

@@ -41,7 +41,7 @@ jobs:
         uses: docker/setup-qemu-action@v4
 
       - name: Setup Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v4
 
       - name: Log in to GHCR
         run: |