v3.13.15
gh-110964: Remove private _PyArg functions (#110966)
bpo-43908: Mark ssl, hash, and hmac types as immutable (GH-25792)
[3.13] gh-137583: Only lock the SSL context, not the SSL socket (GH-137588) (GH-137613)
bpo-18233: Add internal methods to access peer chain (GH-25467)