irangeify some of runtime/core

[swolchok]

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[swolchok]

Stack from ghstack (oldest at bottom):

• irangeify most of runtime/core/exec_aten #8612
• Sync constexpr irange patch from PyTorch core #8610
• -> irangeify some of runtime/core #8609

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/8609

• 📄 Preview Python docs built from this PR

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❌ 2 New Failures

As of commit 609944a with merge base 80d5e5a ():

NEW FAILURES - The following jobs have failed:

• pull / unittest / macos / macos-job (gh)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 1
• pull / unittest-buck / macos / macos-job (gh)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 3

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