feat: add zlib codec

[LDeakin]

compatible with numcodecs.zlib

[codecov]

Codecov Report

Attention: Patch coverage is 88.88889% with 36 lines in your changes missing coverage. Please review.

Project coverage is 81.55%. Comparing base (eec216b) to head (7f81ba7).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
.../src/array/codec/bytes_to_bytes/zlib/zlib_codec.rs	78.30%	23 Missing ⚠️
zarrs_metadata/src/array/codec/ext/zlib.rs	77.55%	11 Missing ⚠️
.../codec/bytes_to_bytes/zlib/zlib_partial_decoder.rs	94.44%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #160      +/-   ##
==========================================
- Coverage   81.66%   81.55%   -0.11%     
==========================================
  Files         179      183       +4     
  Lines       25638    25954     +316     
==========================================
+ Hits        20936    21166     +230     
- Misses       4702     4788      +86     

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