feat: add signed PostgreSQL release updates

oa-backend/src/main/java/com/kaidi/oa/domain/IpSciCredArchive.java

@@ -5,7 +5,6 @@ import jakarta.persistence.Entity;
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
-import jakarta.persistence.Lob;
 import jakarta.persistence.Table;
 
 import java.time.Instant;
@@ -77,7 +76,6 @@ public class IpSciCredArchive {
     private String validUntil;
 
     /** 文件备注/摘要。 */
-    @Lob
     @Column(columnDefinition = "TEXT")
     private String remark;