Fix for excessive RAM usage during speech extraction

[raivisdejus]

Fix for #1606

[codecov]

Codecov Report

❌ Patch coverage is 82.87671% with 25 lines in your changes missing coverage. Please review.
✅ Project coverage is 83.92%. Comparing base (2af05d4) to head (eb303af).

Files with missing lines	Patch %	Lines
buzz/file_transcriber_queue_worker.py	86.66%	16 Missing ⚠️
buzz/ffmpeg_utils.py	57.14%	9 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1611      +/-   ##
==========================================
+ Coverage   83.70%   83.92%   +0.22%     
==========================================
  Files         111      112       +1     
  Lines       12673    12773     +100     
==========================================
+ Hits        10608    10720     +112     
+ Misses       2065     2053      -12     

Flag	Coverage Δ
Linux	83.12% <82.87%> (+0.21%)	⬆️
macOS	83.44% <82.87%> (+0.24%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.