Important: Please read the migration guide.

Bug fixes:

• [fastproxy] Bump github.com/valyala/fasthttp to v1.58.0 (#11526 by kevinpollet)
• [fastproxy] Add WebSocket headers if they are present in the request (#11522 by kevinpollet)
• [fastproxy] Chunked responses does not have a Content-Length header (#11514 by kevinpollet)
• [metrics,otel] Change request duration metric unit from millisecond to second (#11523 by rtribotte)
• [sticky-session] Fix double hash in sticky cookie (#11518 by juliens)
• [tracing] Use ResourceAttributes instead of GlobalAttributes (#11515 by bruno-de-queiroz)
• [tracing] Fix panic when calling Tracer (#11479 by basgys)

Documentation:

• [acme] Update ACME provider configuration options (#11564 by sheddy-traefik)
• [acme] Fix incorrect grammar in ACME documentation (#11553 by Peter-Maguire)
• [metrics,tracing,accesslogs] Add missing options in entrypoints page (#11524 by sheddy-traefik)
• [tracing] Replace globalAttributes with resourceAttributes in tracing reference (#11531 by rtribotte)

Misc:

• Merge branch v2.11 into v3.3 (#11567 by kevinpollet)