Arm backend: Update bias quantization range

[oscarandersson8218]

Bias range was [-2147483648, 2147483646] which isn't really symmetric. This patch changes the range to [-2147483647, 2147483647].

cc @freddan80 @per @zingo @digantdesai

[pytorch-bot]

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❌ 8 New Failures, 1 Cancelled Job, 2 Unrelated Failures

As of commit 3964caa with merge base 213d24c ():

NEW FAILURES - The following jobs have failed:

• Apple / build-demo-ios / macos-job (gh)
  RuntimeError: Command bash /Users/runner/work/_temp/exec_script failed with exit code 74
• trunk / test-arm-backend (test_memory_allocation) / linux-job (gh)
  RuntimeError: Command docker exec -t deb37ee13015e817862e4616e76214ee93ed39b705d351f903bef10a4e57bd54 /exec failed with exit code 1
• trunk / test-arm-backend (test_model_smollm2-135M) / linux-job (gh)
  RuntimeError: Command docker exec -t 6f454c18a31caa3c1f559ef58841c9798380a0262be9ea8990b2e78bceaa6423 /exec failed with exit code 1
• trunk / test-arm-backend (test_models_ethos-u55) / linux-job (gh)
  RuntimeError: Command docker exec -t 03948ef1cbed94d957dd734996c7fa4a5f7fa58996462bd4a9e5d5b7eef2fb05 /exec failed with exit code 1
• trunk / test-arm-backend (test_models_ethos-u85) / linux-job (gh)
  RuntimeError: Command docker exec -t 97044e86fdaff771cc376f27c695a49e8648aa67a89cc599a59f83828cb9ad79 /exec failed with exit code 1
• trunk / test-arm-backend (test_models_tosa) / linux-job (gh)
  RuntimeError: Command docker exec -t aa30cfd0bbe5bd692cd9a2d4bbb702b007c1e768a6f3670fa9c199b8b174c4e0 /exec failed with exit code 1
• trunk / test-arm-backend (test_run_ethosu_fvp) / linux-job (gh)
  RuntimeError: Command docker exec -t d7aa71b679a1bc4dbcdf67d0c2f89a46e516e1cb6f6af05121197375c5ef1967 /exec failed with exit code 1
• trunk / unittest-release / linux / linux-job (gh)
  RuntimeError: Command docker exec -t 50e030f92126f2a45d4d49119dc8abcdec40d092885fa8b7be267527cbe41ffc /exec failed with exit code 1

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

• periodic (gh)

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

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

• pull / unittest / linux / linux-job (gh) (trunk failure)
  exir/backend/test/test_lowered_backend_module.py::TestBackendAPI::test_emit_nested_lowered_backend_module
• pull / unittest-editable / linux / linux-job (gh) (trunk failure)
  exir/backend/test/test_lowered_backend_module.py::TestBackendAPI::test_emit_nested_lowered_backend_module

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