Fixes #21262 Jbatch db2 database creation script is incorrect (#21986)

Author: mukumawa

appserver/batch/batch-database/src/main/resources/glassfish/lib/install/databases/jsr352-db2.sql

@@ -51,13 +51,13 @@ CREATE TABLE STEPEXECUTIONINSTANCEDATA(
 ); 
 
 CREATE TABLE JOBSTATUS (
-  id BIGINT CONSTRAINT JOBSTATUS_PK PRIMARY KEY,
+  id BIGINT CONSTRAINT JOBSTATUS_PK PRIMARY KEY NOT NULL,
   obj		BLOB,
   CONSTRAINT JOBSTATUS_JOBINST_FK FOREIGN KEY (id) REFERENCES JOBINSTANCEDATA (jobinstanceid) ON DELETE CASCADE
 );
 
 CREATE TABLE STEPSTATUS(
-  id BIGINT CONSTRAINT STEPSTATUS_PK PRIMARY KEY,
+  id BIGINT CONSTRAINT STEPSTATUS_PK PRIMARY KEY NOT NULL,
   obj		BLOB,
   CONSTRAINT STEPSTATUS_STEPEXEC_FK FOREIGN KEY (id) REFERENCES STEPEXECUTIONINSTANCEDATA (stepexecid) ON DELETE CASCADE
 );