Update upload-artifact action and parameters

Author: aibaars

.github/workflows/ruby-dataset-measure.yml

@@ -52,9 +52,9 @@ jobs:
         run: |
           mkdir -p "stats/${{ matrix.repo }}"
           codeql dataset measure --threads 4 --output "stats/${{ matrix.repo }}/stats.xml" "${{ runner.temp }}/database/db-ruby"
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact/merge@v4
         with:
-          name: ${{ matrix.repo }}/measurements
+          name: measurements
           path: stats
           retention-days: 1