Various bug fixes

[ArthurDeclercq]

Fixed

• Fixed _csv.Error: field larger than field limit (131072) for very large fields when reading CSV-based PSM files.
• Pinned Pyteomics version to avoid pickling issues in multithreading (to be investigated)

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 25 lines in your changes are missing coverage. Please review.

Project coverage is 0.00%. Comparing base (15b4d18) to head (8c5eef8).

Files	Patch %	Lines
psm_utils/io/_utils.py	0.00%	11 Missing :warning:
psm_utils/io/ionbot.py	0.00%	2 Missing :warning:
psm_utils/io/maxquant.py	0.00%	2 Missing :warning:
psm_utils/io/msamanda.py	0.00%	2 Missing :warning:
psm_utils/io/peptide_record.py	0.00%	2 Missing :warning:
psm_utils/io/percolator.py	0.00%	2 Missing :warning:
psm_utils/io/sage.py	0.00%	2 Missing :warning:
psm_utils/io/tsv.py	0.00%	2 Missing :warning:

:exclamation: Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #73 +/- ## ===================================== Coverage 0.00% 0.00% ===================================== Files 23 24 +1 Lines 2346 2370 +24 ===================================== - Misses 2346 2370 +24 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.