Upgrade to release 1.2.3:
- Fix memory leaks in the C extension when map key validation or
container hooks fail. See GHSA-j586-36cw-2gc2.
- wheels: also build for pyodide using emscripten.
- Support packing Python 3.15 frozentdict (PEP 814)
- Reject negative array and map header sizes
Signed-off-by: Leon Anavi <leon.anavi@konsulko.com>
Signed-off-by: Khem Raj <khem.raj@oss.qualcomm.com>
