net/traefik: Update to upstream release 3.7.5

Details:

• Update to upstream release 3.7.5, see: https://github.com/traefik/traefik/releases/tag/v3.7.5
• Fixes 2 CVEs in the process, see below

MFH: 2026Q2
Security: CVE-2026-48020

		CVE-2026-48491

(cherry picked from commit 183293183e8a899aa5c4e22cd61b37597a767cab)