s3/printing: Fix leaking parsed options

BUG: https://bugzilla.samba.org/show_bug.cgi?id=15979
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>

Autobuild-User(master): Noel Power <npower@samba.org>
Autobuild-Date(master): Fri Jan 30 11:09:44 UTC 2026 on atb-devel-224

(cherry picked from commit 22021db)

Autobuild-User(v4-24-test): Björn Jacke <bjacke@samba.org>
Autobuild-Date(v4-24-test): Wed Feb  4 16:18:26 UTC 2026 on atb-devel-224

Author: noelpower

source3/printing/print_cups.c

@@ -1130,6 +1130,9 @@ static int cups_job_submit(int snum, struct printjob *pjob,
 	if (http)
 		httpClose(http);
 
+	if (num_options) {
+		cupsFreeOptions(num_options, options);
+	}
 	TALLOC_FREE(frame);
 
 	return ret;