Merge pull request #153 from grafbase/renovate/major-github-artifact-actions

chore(deps): update actions/download-artifact action to v5

Author: fbjork

.github/workflows/release-cli-extensions.yml

@@ -235,7 +235,7 @@ jobs:
         run: mkdir -p flat_artifacts
 
       - name: Download all artifacts
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           path: artifacts