[jOOQ/jOOQ#8950] Added support for Db2

jOOQ/src/main/java/org/jooq/JSONArrayNullStep.java

@@ -37,6 +37,7 @@
  */
 package org.jooq;
 
+// ...
 // ...
 // ...
 import static org.jooq.SQLDialect.H2;

jOOQ/src/main/java/org/jooq/JSONObjectNullStep.java

@@ -37,6 +37,7 @@
  */
 package org.jooq;
 
+// ...
 // ...
 // ...
 import static org.jooq.SQLDialect.H2;

jOOQ/src/main/java/org/jooq/JSONValueDefaultStep.java

@@ -37,6 +37,7 @@
  */
 package org.jooq;
 
+// ...
 // ...
 
 import org.jooq.impl.DSL;

jOOQ/src/main/java/org/jooq/JSONValueOnStep.java

@@ -37,6 +37,7 @@
  */
 package org.jooq;
 
+// ...
 // ...
 
 import org.jooq.impl.DSL;