Log Message:
py-zstandard: updated to 0.18.0

0.18.0
Bundled zstd library upgraded from 1.5.1 to 1.5.2.
ZstdDecompressionObj now has an unused_data attribute. It will contain data \ 
beyond the fully decoded zstd frame data if said data exists.
ZstdDecompressionObj now has an unconsumed_tail attribute. This attribute \ 
currently always returns the empty bytes value (b"").
ZstdDecompressionObj now has an eof attribute returning whether the compressed \ 
data has been fully read.