Bump actions/download-artifact from 3 to 4 (#25)

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v3...v4)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -140,12 +140,12 @@ jobs:
     - name: Cache Gradle
       uses: ./.github/actions/cache-gradle
     - name: Download coverage report
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: coverage-report
         path: build/reports/kover
     - name: Download analysis report
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: analysis-report
         path: build/reports/detekt