openssl+gnutls, use shared code for TCP+QUIC

[icing]

Having TCP TLS and QUIC TLS use shared code.

• OpenSSL TCP+QUIC filters now have a common init and cert verify.
• gnuTLS with common init and verify
• SSL session storage also used in QUIC Openssl filter
• struct ssl_peer has added port and transport members
• peer is passed in session lookup and storage
• sessions only used when transport matches

[bagder]

merge conflicts

[vszakats]

Seems to fail permanently with old linux:

/__w/curl/curl/lib/vtls/openssl.c: In function 'Curl_ossl_ctx_init':
/__w/curl/curl/lib/vtls/openssl.c:3556:18: error: implicit declaration of function 'TLS_method' [-Werror=implicit-function-declaration]
     req_method = TLS_method();
                  ^~~~~~~~~~
/__w/curl/curl/lib/vtls/openssl.c:3556:5: error: nested extern declaration of 'TLS_method' [-Werror=nested-externs]
     req_method = TLS_method();
     ^~~~~~~~~~
/__w/curl/curl/lib/vtls/openssl.c:3556:16: error: assignment makes pointer from integer without a cast [-Werror=int-conversion]
     req_method = TLS_method();
                ^
/__w/curl/curl/lib/vtls/openssl.c: In function 'ossl_connect_step2':
/__w/curl/curl/lib/vtls/openssl.c:3955:38: error: cannot take address of bit-field 'keylog_done'
     ossl_log_tls12_secret(octx->ssl, &octx->keylog_done);
                                      ^

Ref: https://github.com/curl/curl/actions/runs/8611712426/job/23599433148#step:6:207

[icing]

Thanks, that somehow flew by. Fix in #13325.