Add requirements-dev.txt to capture testing dependencies

[jithunnair-amd]

Capture the basic dependencies from https://github.com/pytorch/audio/blob/main/CONTRIBUTING.md#running-test

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/audio/3907

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❌ 9 New Failures, 3 Unrelated Failures

As of commit 6d160e0 with merge base 5c04d2a ():

NEW FAILURES - The following jobs have failed:

• Build documentation / build / Build doc (gh)
• Integration Test / build (3.9) (gh)
  Process completed with exit code 1.
• Lint / python-source-and-configs / linux-job (gh)
• Unit-tests on Linux CPU / tests (3.10) / linux-job (gh)
  RuntimeError: Command docker exec -t 9fed212fba0e836d1d933315db0be67c9271a34d184327d9bef8d76ea91884a1 /exec failed with exit code 1
• Unit-tests on Linux CPU / tests (3.8) / linux-job (gh)
  RuntimeError: Command docker exec -t a82ee687cb5b3d13269a242802d03c55f295a143e39b30ce0b1aa432ab5fc381 /exec failed with exit code 1
• Unit-tests on Linux CPU / tests (3.9) / linux-job (gh)
  RuntimeError: Command docker exec -t 96f44f25ea8b67809ee1713e5a76346875c091df6a338af7c3a73913f05bba50 /exec failed with exit code 1
• Unit-tests on Linux GPU / tests (3.10, 11.8) / linux-job (gh)
  RuntimeError: Command docker exec -t 78dd0f3cac1e9ee3052a35279c94f6a51b638e0161992eb0efb79deca74a4a29 /exec failed with exit code 1
• Unit-tests on Linux GPU / tests (3.8, 11.8) / linux-job (gh)
  RuntimeError: Command docker exec -t 647602fe047784587fa479b3749795528b2d42a84ad45efb5f13c27640f5e7a6 /exec failed with exit code 1
• Unit-tests on Linux GPU / tests (3.9, 11.8) / linux-job (gh)
  RuntimeError: Command docker exec -t 39d3065f0078f89bb735d4d43ad2ceb0a7c30b71e41e2e252fc13d51517ef9c6 /exec failed with exit code 1

BROKEN TRUNK - The following jobs failed but were present on the merge base:

👉 Rebase onto the `viable/strict` branch to avoid these failures

• Unit-tests on Macos CPU / tests / macos-job (gh) (trunk failure)
• Unittests on Windows CPU / unittests-windows-cpu / windows-job (gh) (trunk failure)
  Process completed with exit code 1.
• Unittests on Windows GPU / unittests-windows-gpu / windows-job (gh) (trunk failure)
  Process completed with exit code 1.

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[atalman]

lgtm