adding torchaudio feats extraction

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 98.27586% with 4 lines in your changes missing coverage. Please review.

Project coverage is 86.28%. Comparing base (fae9e64) to head (1e95f0c).

Files	Patch %	Lines
...elab/audio/tasks/features_extraction/torchaudio.py	96.66%	2 Missing :warning:
...udio/tasks/features_extraction/torchaudio_squim.py	93.33%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## dev_0.3.0 #61 +/- ## ============================================= + Coverage 76.53% 86.28% +9.75% ============================================= Files 34 38 +4 Lines 1078 1327 +249 ============================================= + Hits 825 1145 +320 + Misses 253 182 -71 ```

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