Bump actions/download-artifact from 4 to 5 (#1123)

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

@@ -210,7 +210,7 @@ jobs:
           curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
           chmod +x ./cc-test-reporter
       - name: Download coverage reports
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: coverage
           path: coverage/coverage.*.json
@@ -232,7 +232,7 @@ jobs:
           bundler-cache: true
       - name: Download API Docs
         if: ${{ env.OPENAPI }}
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: api_docs
           path: tmp/