build(deps): bump torchaudio from 0.10.2 to 2.0.2 in /requirements

Bumps [torchaudio](https://github.com/pytorch/audio) from 0.10.2 to 2.0.2.
- [Release notes](https://github.com/pytorch/audio/releases)
- [Commits](pytorch/audio@v0.10.2...v2.0.2)

---
updated-dependencies:
- dependency-name: torchaudio
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements/testing_serve.txt

@@ -8,6 +8,6 @@
 # CI: limit the search space for pip/installation
 sahi ==0.8.19
 torch ==1.10.2
-torchaudio ==0.10.2
+torchaudio ==2.0.2
 torchvision ==0.11.3
 torchmetrics ==0.10.3