Traefik + Let's Encrypt

Important: Please read the migration guide.

CVE fixed:

• Advisory GHSA-3ccp-42pg-hgv6

Bug fixes:

• [middleware, k8s/crd] Add missing ErrorRequestHeaders field to CRDs (#13498 @kevinpollet)
• [server] Defer the CONNECT payload until the backend accepts the tunnel (#13542 @sdelicata)
• [server] Bump google.golang.org/grpc to v1.82.1 (#13551 @piscue)
• [server] Do not add back CONNECT requests to the pool (#13556 @kevinpollet)

Documentation:

• Add a migration note for CONNECT requests (#13554 @kevinpollet)