[Release 0.7] bump torchao pins to 0.12.0

[mergennachin]

Summary:

1. The pin in third-party/ao is bumped to branch "release/0.12.0".
   https://github.com/pytorch/ao/commits/release/0.12.0
   Commit hash: 442232fbfb0f6cdfdb9c3eac20f57e5a746ee1bf

2. We add "torchao==0.12.0" to the pyproject.toml.

[pytorch-bot]

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❌ 12 New Failures, 8 Pending

As of commit 5c20cda with merge base de24489 ():

NEW FAILURES - The following jobs have failed:

• Lint / lintrunner / linux-job (gh)
  >>> Lint for docs/source/llm/run-on-ios.md:
• pull / android / build-llm-demo / linux-job (gh)
  RuntimeError: Command docker exec -t 8ed716a1146237031882f7a6dffb508b3c13c7b911d0fa0122dcbcfaef60b5d9 /exec failed with exit code 2
• pull / test-eval_llama-mmlu-linux / linux-job (gh)
  RuntimeError: Command docker exec -t 35802fe328f9bbb91bed71f5921403e1ca6c0c61f4ecbd9c10c8b33ba4e0b3cd /exec failed with exit code 1
• pull / unittest-arm-backend-with-no-fvp (test_pytest_models) / linux-job (gh)
  RuntimeError: Command docker exec -t 3fb0eedf5b08a5f5b42f8e40448dcb3b978317abf27dd95baddcfa016ff26a94 /exec failed with exit code 1
• pull / unittest-arm-backend-with-no-fvp (test_pytest_ops) / linux-job (gh)
  RuntimeError: Command docker exec -t 5dd93d5b3fdaf406ff63284575dbbfe69f88e717d0e23cac7b7729253f06c8a5 /exec failed with exit code 1
• trunk / test-arm-backend (test_models_ethos-u55) / linux-job (gh)
  RuntimeError: Command docker exec -t f22a4918d550b4fe8cf2e230b089edd16e5ecee73e3e5c03080212b6ee2c8b8a /exec failed with exit code 1
• trunk / test-arm-backend (test_models_ethos-u85) / linux-job (gh)
  RuntimeError: Command docker exec -t 49f0040e459a41b51105404e1d0bdd762fbb0a8e1c073f457a1bafc396cfa647 /exec failed with exit code 1
• trunk / test-arm-backend (test_models_tosa) / linux-job (gh)
  RuntimeError: Command docker exec -t 3b9b786f12ab21ebfefc40ce4eec25e43c9b2a1fc012408e0bb9587c74399b78 /exec failed with exit code 1
• trunk / test-arm-backend (test_pytest_models_ethosu_fvp) / linux-job (gh)
  RuntimeError: Command docker exec -t b3fa5fed0a9ffe826827c724c488555c914b90cb2eeb53d0f3c1ac1ee2d9c5b2 /exec failed with exit code 1
• trunk / test-arm-backend (test_pytest_ops_ethosu_fvp) / linux-job (gh)
  RuntimeError: Command docker exec -t 3e1fd375d5bd1d40df2a97f1a10056ad47f14afd175360a48f862eb64f71b163 /exec failed with exit code 1
• trunk / test-arm-backend (test_run_ethosu_fvp) / linux-job (gh)
  RuntimeError: Command docker exec -t 3aafa0696c24ee4e944896b96e5af22ab35fe75dbce9bb7e8e5eb6b31323c339 /exec failed with exit code 1
• trunk / test-arm-cortex-m-size-test / linux-job (gh)
  RuntimeError: Command docker exec -t c27911e9445f53e8dc3ef77e16de8885b050d7d718d4fc8648ce58b2ebba8635 /exec failed with exit code 1

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[mergennachin]

#12774