Bump docker/setup-qemu-action from 3 to 4 in /.github/workflows

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

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

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

.github/workflows/docker-pr.yml

@@ -39,7 +39,7 @@ jobs:
           json: '{"type": "docker", "tag": "nightly", "commit": "${{ steps.vars.outputs.sha_short }}", "date": "${{ steps.date.outputs.date }}"}'
           dir: 'backend/'
       - name: setup platform emulator
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@v4
       - name: setup multi-arch docker build
         uses: docker/setup-buildx-action@v3
 

.github/workflows/docker-release.yml

@@ -59,7 +59,7 @@ jobs:
             type=raw,value=latest
 
       - name: setup platform emulator
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@v4
 
       - name: setup multi-arch docker build
         uses: docker/setup-buildx-action@v3

.github/workflows/docker.yml

@@ -44,7 +44,7 @@ jobs:
           dir: 'backend/'
 
       - name: setup platform emulator
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@v4
 
       - name: setup multi-arch docker build
         uses: docker/setup-buildx-action@v3