release 9.4.0

Signed-off-by: neo <1100909+neowu@users.noreply.github.com>

Author: neowu

core-ng/src/main/java/core/framework/internal/db/inspector/QueryInspector.java

@@ -7,7 +7,7 @@
 import java.util.concurrent.ConcurrentHashMap;
 
 public class QueryInspector {
-    final Map<String, Long> lastCheckTimestamps = new ConcurrentHashMap<>();
+    private final Map<String, Long> lastCheckTimestamps = new ConcurrentHashMap<>();
     private final @Nullable QueryAnalyzer analyzer;
 
     public QueryInspector(@Nullable QueryAnalyzer analyzer) {