Arm backend: Updated toolchain to arm-gnu-toolchain-13.3.rel1

[zingo]

Updated arm baremetal tool chain for no other reason then to get all general improvements.

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/6957

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❌ 1 New Failure, 1 Cancelled Job, 5 Unrelated Failures

As of commit a0787ba with merge base fbee0c8 ():

NEW FAILURE - The following job has failed:

• pull / test-llama-runner-qnn-linux (fp32, qnn) / linux-job (gh)
  RuntimeError: Command docker exec -t b1b469a552cc6a6d8dda366a6f69949214787206e0a48119d706464f5410dd03 /exec failed with exit code 1

CANCELLED JOB - The following job was cancelled. Please retry:

• trunk / test-models-macos (cmake, mul, portable, macos-m1-stable, 90) / macos-job (gh)
  ##[error]The operation was canceled.

FLAKY - The following jobs failed but were likely due to flakiness present on trunk:

• trunk / test-models-macos (cmake, linear, portable, macos-m1-stable, 90) / macos-job (gh) (similar failure)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 1
• trunk / test-models-macos (cmake, mobilebert, portable, macos-m1-stable, 90) / macos-job (gh) (similar failure)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 1
• trunk / test-pybind-build-macos (cmake) / macos-job (gh) (similar failure)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script 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

• trunk / test-coreml-delegate / macos-job (gh) (trunk failure)
  RuntimeError: Command bash /Users/runner/work/_temp/exec_script failed with exit code 1
• trunk / test-models-macos (cmake, add, portable, macos-m1-stable, 90) / macos-job (gh) (trunk failure)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 1

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[zingo]

@pytorchbot label "topic: not user facing"