chore(deps): bump the actions group across 1 directory with 3 updates (#599)

Bumps the actions group with 3 updates in the / directory: [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action), [actions/upload-artifact](https://github.com/actions/upload-artifact) and [actions/download-artifact](https://github.com/actions/download-artifact).


Updates `docker/setup-buildx-action` from 3.11.1 to 3.12.0
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](e468171a9d...8d2750c68a)

Updates `actions/upload-artifact` from 5.0.0 to 6.0.0
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](330a01c490...b7c566a772)

Updates `actions/download-artifact` from 6.0.0 to 7.0.0
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](018cc2cf5b...37930b1c2a)

---
updated-dependencies:
- dependency-name: docker/setup-buildx-action
  dependency-version: 3.12.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions
- dependency-name: actions/upload-artifact
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: actions/download-artifact
  dependency-version: 7.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
...

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

.github/workflows/docker-publish.yml

@@ -24,7 +24,7 @@ jobs:
         uses: docker/setup-qemu-action@c7c53464625b32c7a7e944ae62b3e17d2b600130 # v3.7.0
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
+        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3.12.0
 
       - name: Get Version
         shell: bash
@@ -96,7 +96,7 @@ jobs:
           done
 
       - name: Upload binaries
-        uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v5.0.0
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
         with:
           name: binaries
           path: binaries/wg-portal_linux*
@@ -110,7 +110,7 @@ jobs:
       contents: write
     steps:
       - name: Download binaries
-        uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
+        uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
         with:
           name: binaries