ci: enable pagination stress tests in GitHub CI

Add pagination stress tests (>1000 versions) to the S3 versioning stress
test job in GitHub CI. These tests run on master branch pushes to validate
that ListObjectVersions correctly handles objects with more than 1000
versions using pagination.

.github/workflows/s3-go-tests.yml

@@ -401,6 +401,18 @@ jobs:
             make clean
             exit 1
           }
+          
+          # Run pagination stress tests (>1000 versions)
+          echo "=== Running pagination stress tests ==="
+          make test-versioning-pagination-stress || {
+            echo "❌ Pagination stress test failed, checking logs..."
+            if [ -f weed-test.log ]; then
+              echo "=== Server logs ==="
+              tail -200 weed-test.log
+            fi
+            make clean
+            exit 1
+          }
           make clean
 
       - name: Upload stress test logs