Bump docker/setup-buildx-action from 3 to 4 (#7061)

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/deploy.yml

@@ -80,7 +80,7 @@ jobs:
       uses: docker/setup-qemu-action@v4
 
     - name: set up buildx
-      uses: docker/setup-buildx-action@v3
+      uses: docker/setup-buildx-action@v4
 
     - name: quay.io login
       if: ${{ github.event_name != 'pull_request' }}
@@ -126,7 +126,7 @@ jobs:
       uses: docker/setup-qemu-action@v4
 
     - name: set up buildx
-      uses: docker/setup-buildx-action@v3
+      uses: docker/setup-buildx-action@v4
 
     - name: quay.io login
       if: ${{ github.event_name != 'pull_request' }}

.github/workflows/freshen-images.yml

@@ -37,7 +37,7 @@ jobs:
     - name: set up qemu
       uses: docker/setup-qemu-action@v4
     - name: set up buildx
-      uses: docker/setup-buildx-action@v3
+      uses: docker/setup-buildx-action@v4
     - name: quay.io login
       uses: docker/login-action@v4
       with: