[jOOQ/jOOQ#9438] Use Sequence#getStartWith() for ALTER SEQUENCE RESTART

If the given `Sequence` has a non-`null` value for `getStartWith()` this
will be used in the `ALTER SEQUENCE ... RESTART` emulation instead of
just `1`.

jOOQ/src/main/java/org/jooq/impl/AlterSequenceImpl.java

@@ -443,6 +443,11 @@ final class AlterSequenceImpl<T extends Number> extends AbstractRowCountQuery im
 
 
 
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                     ctx.sql(' ').visit(K_RESTART);
             }
             else if (restartWith != null) {