Add reader for DIA-NN report.parquet format

[RalfG]

DIA-NN 2.0+ writes its main report as report.parquet instead of a .tsv file, with a different schema (no CScore or MS2.Scan, but adds Decoy and Precursor.Mz).

[codecov]

Codecov Report

❌ Patch coverage is 81.81818% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 72.07%. Comparing base (cfc1c55) to head (7237fd9).

Files with missing lines	Patch %	Lines
psm_utils/io/diann.py	81.81%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #152      +/-   ##
==========================================
+ Coverage   72.01%   72.07%   +0.06%     
==========================================
  Files          32       32              
  Lines        3248     3270      +22     
==========================================
+ Hits         2339     2357      +18     
- Misses        909      913       +4     

Flag	Coverage Δ
unittests	72.07% <81.81%> (+0.06%)	⬆️

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