[3.12] gh-106687: _ssl: use uint64_t for SSL options (GH-106700) (#106827)

gh-106687: _ssl: use uint64_t for SSL options (GH-106700)

SSL_CTX_get_options() uses uint64_t for options:
https://www.openssl.org/docs/man3.1/man3/SSL_CTX_get_options.html

Fix this compiler warning on Windows with MSC:

    conversion from 'uint64_t' to 'long', possible loss of data
(cherry picked from commit ad95c7253a70e559e7d3f25d53f4772f28bb8b44)

Co-authored-by: Victor Stinner <vstinner@python.org>