chore(deps): bump the ci-dependencies group across 1 directory with 2 updates

Bumps the ci-dependencies group with 2 updates in the / directory: [actions/download-artifact](https://github.com/actions/download-artifact) and [rlespinasse/github-slug-action](https://github.com/rlespinasse/github-slug-action).


Updates `actions/download-artifact` from 4 to 5
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v4...v5)

Updates `rlespinasse/github-slug-action` from 5.1.0 to 5.2.0
- [Release notes](https://github.com/rlespinasse/github-slug-action/releases)
- [Commits](rlespinasse/github-slug-action@v5.1.0...v5.2.0)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: ci-dependencies
- dependency-name: rlespinasse/github-slug-action
  dependency-version: 5.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: ci-dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/deploy-preview.yaml

@@ -18,7 +18,7 @@ jobs:
     name: Deploy Preview to Cloudflare Pages
     steps:
       - name: Download build artifact
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         id: preview-build-artifact
         with:
           name: preview-build

.github/workflows/docker-build-push.yaml

@@ -25,7 +25,7 @@ jobs:
         with:
           fetch-depth: 1
       - name: Inject slug/short variables
-        uses: rlespinasse/github-slug-action@v5.1.0
+        uses: rlespinasse/github-slug-action@v5.2.0
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
       - name: Set up Docker Buildx