Log Message:
py-zstandard: updated to 0.20.0

0.20.0

Backwards Compatibility Notes

This will likely be the last release officially supporting Python 3.6.
Python 3.6 is end of life as of 2021-12-23.

Changes

Bundled zstd library upgraded from 1.5.2 to 1.5.4.
Use of the deprecated ZSTD_copyDCtx() was removed from the C and
Rust backends.