Update to 0.10.11. From the changelog:

- Fixed potential stack corruption in sslclient/sslhandle/sslserver
  while assigning hostname => 0.
- Improved OpenSSL + LibreSSL compatibility:
    - LibreSSL 2.5 to 2.9 is working
    - OpenSSL 1.0.2 to 1.1.1 is working
- Added SNI for sslclient.
- Fixes for sslhandle.
- Included new CIPHERLIST API for ssl_ciphers.
- Removed dependency on conf-tcpbin; modules are expected to be
  in the path.
- Modules rts.base and rts.sslperl are working now.

(schmonz)