Update upload-artifact action to version v4

Upgraded the GitHub Actions `upload-artifact` step from v3 to v4 in the release workflow. This ensures compatibility with the latest improvements and bug fixes provided in the newer version. No other changes were made to the workflow.

.github/workflows/release.yml

@@ -63,7 +63,7 @@ jobs:
 
       - name: 'JReleaser output'
         if: always()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: jreleaser-logs
           path: |