adding tcp traceroute capabilities to Feature/tlsmiddleboxprobe

[snourin]

Checklist

• I have read the contribution guidelines
• reference issue for this pull request:
• if you changed anything related to how experiments work and you need to reflect these changes in the ooni/spec repository, please link to the related ooni/spec pull request: (adding icmp data format spec#308)
• if you changed code inside an experiment, make sure you bump its version number

Description

PR for the tlsmiddlebox probe using TCP traceroute. Timestamps have been added. Will continue cleaning up the code.

[munzzyy]

tcp_traceroute_probe.go has no build constraint, so it lands in every platform build. On 013d579:

$ GOOS=windows GOARCH=amd64 go build ./internal/experiment/tlsmiddlebox/
tcp_traceroute_probe.go:46:18: undefined: unix.Socket
tcp_traceroute_probe.go:54:57: undefined: unix.IP_RECVERR

$ GOOS=darwin GOARCH=arm64 go build ./internal/experiment/tlsmiddlebox/
tcp_traceroute_probe.go:54:57: undefined: unix.IP_RECVERR
tcp_traceroute_probe.go:70:57: undefined: unix.SO_TIMESTAMPING

Both are clean on master. PR CI misses it because windows.yml and macos.yml only fire on release branches and the nightly cron. The package already splits by platform in syscall_unix.go / syscall_windows.go / syscall_otherwise.go, so probeTCP could follow that shape.

Also lines 149 and 160-161 print the raw quote to stdout mid-measurement. Leftover from debugging?