security/crowdsec: Security update 1.7.8 => 1.8.1

This update brings security fixes, bug fixes and improvements.

Changelogs:

• https://github.com/crowdsecurity/crowdsec/releases/tag/v1.8.0
• https://github.com/crowdsecurity/crowdsec/releases/tag/v1.8.1

PR: 298349
Approved by: osa, vvd (Mentors, implicit)
Security: GHSA-g2x2-jgfg-pg7g
Security: GHSA-rh69-4vqj-9gj8
MFH: 2026Q3

(cherry picked from commit 9f6b595fad9ab6fa1307c85cf8b2b6d8cd263cbc)