Upgrade utls to v1.6.6.
treeefd0af93d015662c3199c3caed942714ae6d9afc
-rw-r--r-- 52 .gitignore
-rw-r--r-- 4228 CHANGELOG
-rw-r--r-- 16004 README
-rw-r--r-- 2428 TODO
drwxr-xr-x - dns
drwxr-xr-x - dnstt-client
drwxr-xr-x - dnstt-server
-rw-r--r-- 929 go.mod
-rw-r--r-- 9296 go.sum
drwxr-xr-x - man
drwxr-xr-x - noise
drwxr-xr-x - turbotunnel