Disable NER CRF BOS/EOS transitions when CRF windows are enabled

[percevalw]

Description

Fixed

• Begin of sentence / end of sentence transitions of the eds.ner_crf component are now disabled when windows are used (e.g., neither window=1 equivalent to softmax and window=0equivalent to default full sequence Viterbi decoding)

Changed

• Default eds.ner_crf window is now set to 40 and stride set to 20, as it doesn't affect throughput (compared to before, window set to 20) and improves accuracy.

Checklist

• [x] If this PR is a bug fix, the bug is documented in the test suite.
• [x] Changes were documented in the changelog (pending section).
• [x] If necessary, changes were made to the documentation (eg new pipeline).

[codecov[bot]]

Codecov Report

Attention: 6 lines in your changes are missing coverage. Please review.

Comparison is base (9d2b58f) 96.87% compared to head (fd9833d) 96.94%.

Files	Patch %	Lines
edsnlp/processing/multiprocessing.py	97.71%	4 Missing :warning:
edsnlp/core/torch_component.py	98.03%	1 Missing :warning:
edsnlp/processing/simple.py	96.96%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #259 +/- ## ========================================== + Coverage 96.87% 96.94% +0.07% ========================================== Files 255 255 Lines 8438 8589 +151 ========================================== + Hits 8174 8327 +153 + Misses 264 262 -2 ```

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