[issue32609] Add setter and getter for min/max protocol ersion

Change by Christian Heimes : -- keywords: +patch pull_requests: +5106 stage: needs patch -> patch review ___ Python tracker ___ ___ P

[issue32609] Add setter and getter for min/max protocol ersion

New submission from Christian Heimes : OpenSSL 1.1 has introduced a new API to set the minimum and maximum supported protocol version. The API is easier to use than the old OP_NO_TLSv1 option flags, too https://www.openssl.org/docs/man1.1.0/ssl/SSL_CTX_set_min_proto_version.html Debian used t