[submodule-sync] bot-submodule-sync-main to main [skip ci] [bot]

[nvauto]

submodule-sync to create a PR keeping thirdparty/cudf up-to-date.
HEAD commit SHA: 009950a, cudf commit SHA: rapidsai/cudf@8aca097

This PR will be auto-merged if test passed. If failed, it will remain open until test pass or manually fix.

[nvauto]

HEAD commit SHA: 009950a, CUDF commit SHA: rapidsai/cudf@8aca097
Test passed: True

[nvauto]

SUCCESS - auto-merge

[greptile-apps]

Greptile Summary

Automated submodule sync updating thirdparty/cudf from commit d661620 to 8aca097 to keep the cudf dependency current with upstream.

• Single submodule pointer update with no code changes
• Follows established bot-managed sync pattern
• Will auto-merge if tests pass

Confidence Score: 5/5

• This PR is safe to merge with minimal risk
• Automated submodule update with no manual code changes, follows established bot workflow, and includes automated testing before merge
• No files require special attention

Important Files Changed

Filename	Overview
thirdparty/cudf	Automated submodule update from d661620 to 8aca097, routine sync with upstream cudf repository

_{Last reviewed commit: 009950a}

[greptile-apps]

_{1 file reviewed, no comments}

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