v3.11.15
gh-91320: Argument Clinic uses _PyCFunction_CAST() (#32210)
bpo-43908: Mark ssl, hash, and hmac types as immutable (GH-25792)
bpo-42333: Port _ssl extension to multiphase initialization (PEP 489) (GH-23253)
bpo-18233: Add internal methods to access peer chain (GH-25467)