Remove noindex from upload to gh-pages job

[svekars]

Summary: For some reason this wasn't removed in previous PR.

Differential Revision: D56225136

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/3077

• 📄 Preview Python docs built from this PR

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✅ No Failures

As of commit f828dbb with merge base bae0387 ():
💚 Looks good so far! There are no failures yet. 💚

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[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D56225136

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D56225136

[facebook-github-bot]

This pull request has been merged in 65f2693.

[svekars]

@pytorchbot cherry-pick --onto release/0.2 -c docs

[pytorchbot]

Cherry picking #3077

Command git -C /home/runner/work/executorch/executorch cherry-pick -x -X theirs 65f2693e53fe6f7c1e598b9d8ab5b5d8b27ef024 returned non-zero exit code 1

Auto-merging .github/workflows/doc-build.yml
The previous cherry-pick is now empty, possibly due to conflict resolution.
If you wish to commit it anyway, use:

    git commit --allow-empty

Otherwise, please use 'git cherry-pick --skip'
On branch cherry-pick-3077-by-pytorch_bot_bot_
You are currently cherry-picking commit 65f2693e5.
  (all conflicts fixed: run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Untracked files:
  (use "git add <file>..." to include in what will be committed)
	examples/models/llama2/third-party/

nothing added to commit but untracked files present (use "git add" to track)

Details for Dev Infra team

Raised by workflow job