net/traefik: Update to upstream release 2.10.1
Details:
- Build with go 1.20
- New release from the 2.10.x branch. Details: https://github.com/traefik/traefik/releases/tag/v2.10.1
- No major changes in config format, but minor adaptations of the config are necessary for Nomad, Kubernetes and Traefik Hub, see: https://doc.traefik.io/traefik/migration/v2/#v210
MFH: 2023Q2
(cherry picked from commit 49adb53a09fa1eba70e6e520f40940e248cb72a5)