torch_compile_user_defined_triton_kernel_tutorial.py typo correction

[dlcodns]

Fixes #3045

Description

Replace ``triton.autotune`` with ``triton.autotune`` in line 155.

Checklist

• [x] The issue that is being fixed is referred in the description (see above "Fixes #ISSUE_NUMBER")
• [x] Only one issue is addressed in this pull request
• [x] Labels from the issue that this PR is fixing are added to this pull request
• [x] No unnecessary issues are included into this pull request.

cc @svekars @brycebortree

[pytorch-bot[bot]]

:link: Helpful Links

:test_tube: See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/tutorials/3049

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As of commit 813da2ba4a8c69e94ff84f06333de2daa64e603b with merge base 79d17237ea49867ec5514ba0ddea07e51ad2e692 (): :green_heart: Looks good so far! There are no failures yet. :green_heart:

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