security/strongswan: Update to 5.9.13
ChangeLog: https://github.com/strongswan/strongswan/releases/tag/5.9.13
PR: 275620
Reported by: jlduran@gmail.com
MFH: 2023Q4 (security fix)
Security: CVE-2023-41913
(cherry picked from commit 9d8accbe0c0d7c0db16ec9bbb50bded19db8271f)