tests(ticdc): stop relying on git root for mq compose paths#12607

wlwilliamx wants to merge 2 commits intopingcap:masterpingcap/tiflow:masterfrom

wlwilliamx:fix/tcpserver-tls-cert-lookup-masterwlwilliamx/tiflow:fix/tcpserver-tls-cert-lookup-masterCopy head branch name to clipboard