security/strongswan: Update to 5.9.5

Changes: https://github.com/strongswan/strongswan/releases/tag/5.9.5
PR: 261462
Approved by: Francois ten Krooden <strongswan@Nanoteq.com> (maintainer)
MFH: 2022Q1
Security: CVE-2021-45079

(cherry picked from commit f64253580072d6239948fd1dbb7bf171f4ef0ce3)