3.9
bpo-39245: Switch to public API for Vectorcall (GH-18460)
bpo-8677: use PY_SSIZE_T_CLEAN in sqlite (GH-12434)
[3.9] bpo-46878: Purge 'non-standard' from sqlite3 docstrings (GH-31612) (GH-31754)
closes bpo-37347: Fix refcount problem in sqlite3. (GH-14268)
[3.9] gh-80254: Disallow recursive usage of cursors in `sqlite3` converters (#92278)
bpo-40268: Remove unused structmember.h includes (GH-19530)
bpo-39573: Add Py_SET_TYPE() function (GH-18394)
bpo-38185: Fixed case-insensitive string comparison in sqlite3.Row indexing. (GH-16190)
[3.9] bpo-43853: Expand test suite for SQLite UDF's (GH-27642) (GH-31030) (GH-31586)
Replace _pysqlite_long_from_int64() with PyLong_FromLongLong() (GH-16882)