net-im/py-matrix-synapse: Update 1.138.0 => 1.151.0 (security)

Changelogs:
https://github.com/element-hq/synapse/blob/v1.151.0/CHANGES.md

PR: 292129
Reported by: Sascha Biberhofer <ports@skyforge.at> (maintainer)
Approved by: osa (mentor)
MFH: 2026Q2
Security: CVE-2025-61672

		CVE-2026-24044

(cherry picked from commit a7691f104e94a997b8ec6e651379144c4aabe955)