feat: update transcription tasks columns

[chidiwilliams]

No description provided.

[codecov]

Codecov Report

Attention: 35 lines in your changes are missing coverage. Please review.

Comparison is base (6820797) 76.74% compared to head (0f02bbb) 76.03%.

Files	Patch %	Lines
buzz/widgets/transcription_tasks_table_widget.py	72.41%	16 Missing ⚠️
buzz/model_loader.py	41.17%	10 Missing ⚠️
buzz/transcriber.py	70.96%	9 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #649      +/-   ##
==========================================
- Coverage   76.74%   76.03%   -0.71%     
==========================================
  Files          56       56              
  Lines        2855     2925      +70     
==========================================
+ Hits         2191     2224      +33     
- Misses        664      701      +37     

Flag	Coverage Δ
Linux	73.77% <69.29%> (-1.22%)	⬇️
Windows	?
macOS	74.35% <68.42%> (-1.93%)	⬇️

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