Bump docker/setup-docker-action from 4 to 5

Bumps [docker/setup-docker-action](https://github.com/docker/setup-docker-action) from 4 to 5.
- [Release notes](https://github.com/docker/setup-docker-action/releases)
- [Commits](docker/setup-docker-action@v4...v5)

---
updated-dependencies:
- dependency-name: docker/setup-docker-action
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/tests.yml

@@ -7,7 +7,7 @@ jobs:
       -   name: 'Checkout code'
           uses: actions/checkout@v6
       -   name: 'Setup Docker'
-          uses: docker/setup-docker-action@v4
+          uses: docker/setup-docker-action@v5
       -   name: 'Debug versions'
           run: |
               docker --version
@@ -31,7 +31,7 @@ jobs:
       -   name: 'Checkout code'
           uses: actions/checkout@v6
       -   name: 'Setup Docker'
-          uses: docker/setup-docker-action@v4
+          uses: docker/setup-docker-action@v5
       -   name: 'Debug versions'
           run: |
             docker --version