bump compat for ChunkCodecLibBzip2 and ChunkCodecLibLz4 to 0.3

[nhz2]

The changes are to functions that are not used here.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.39%. Comparing base (0fb0cac) to head (0ace545).
⚠️ Report is 3 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #663      +/-   ##
==========================================
- Coverage   85.42%   85.39%   -0.03%     
==========================================
  Files          37       37              
  Lines        4438     4436       -2     
==========================================
- Hits         3791     3788       -3     
- Misses        647      648       +1     

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