chore(beep boop 🤖): Bump uv.lock (main) (2026-02-19)

[svcnvidia-nemo-ci]

🚀 PR to bump uv.lock in main.

🤖 This PR will be merged automatically once CI passes.

Summary by CodeRabbit

• Chores
  • Internal maintenance updates.

[svcnvidia-nemo-ci]

/ok to test f8cae2e

[copy-pr-bot]

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

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📝 Walkthrough

Walkthrough

This pull request updates the 3rdparty/Megatron-LM git submodule pointer from commit 8f1c2f8 to commit 7b6e226, introducing a single-line change to the submodule reference configuration.

Changes

Cohort / File(s)	Summary
Submodule Update 3rdparty/Megatron-LM	Updated submodule commit pointer to latest version.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• chore(beep boop 🤖): Bump uv.lock (main) (2026-02-17) #2399: Immediate predecessor that bumps the Megatron-LM submodule to commit 8f1c2f8, which this PR advances further.
• chore(beep boop 🤖): Bump uv.lock (main) (2026-02-12) #2349: Also updates the Megatron-LM submodule pointer to a different commit.
• chore(beep boop 🤖): Bump uv.lock (main) (2026-02-13) #2377: Updates the same Megatron-LM submodule reference.

Suggested reviewers

• yaoyu-33
• maanug-nv
• chtruong814

🚥 Pre-merge checks | ✅ 3 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Title check	⚠️ Warning	The title references bumping uv.lock but the actual change is updating a Megatron-LM submodule pointer, making the title misleading.	Update the title to accurately reflect the submodule update, e.g., 'chore: Update Megatron-LM submodule pointer' or similar.

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Test Results For Major Changes	✅ Passed	PR contains only minor changes - submodule pointer update and configuration file additions. No new features, breaking changes, or numerics/performance impacts.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch bump-ci-container-2026-02-19-main

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