chore(beep boop 🤖): Bump uv.lock (main) (2026-03-18)

[svcnvidia-nemo-ci]

🚀 PR to bump uv.lock in main.

🤖 This PR will be merged automatically once CI passes.

Summary by CodeRabbit

• Chores
  • Updated internal dependencies to their latest versions.

[svcnvidia-nemo-ci]

/ok to test ce7535b

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: eb6f832b-8b8c-4e60-b3a1-7212f1b49028

📥 Commits

Reviewing files that changed from the base of the PR and between ae1bec4 and ce7535b.

⛔ Files ignored due to path filters (1)

• uv.lock is excluded by !**/*.lock

📒 Files selected for processing (2)

• .main.commit
• 3rdparty/Megatron-LM

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📝 Walkthrough

Walkthrough

This PR updates the Megatron-LM submodule pointer from commit 905c0e3 to c4bffde, bumping the external dependency to a newer version. The change is reflected in both the .main.commit file and the 3rdparty/Megatron-LM submodule reference.

Changes

Cohort / File(s)	Summary
Submodule Update .main.commit, 3rdparty/Megatron-LM	Updated Megatron-LM submodule pointer from commit 905c0e38... to c4bffde9e..., advancing to a newer version of the dependency.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related PRs

• chore(beep boop 🤖): Bump uv.lock (main) (2026-03-16) #2813: Updates the same Megatron-LM submodule pointer from 905c0e3... to c4bffde..., indicating a sequential dependency bump.
• chore(beep boop 🤖): Bump uv.lock (main) (2026-03-09) #2703: Previously updated the 3rdparty/Megatron-LM submodule commit pointer, representing an earlier dependency management change.
• chore(beep boop 🤖): Bump uv.lock (main) (2026-02-17) #2399: Another prior submodule pointer update for the same Megatron-LM dependency.

Suggested reviewers

• yaoyu-33
• maanug-nv

🚥 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 changes only update submodule pointers (.main.commit and 3rdparty/Megatron-LM), not the lock file itself.	Update the title to accurately reflect that this bumps submodule references, such as 'chore: Bump Megatron-LM submodule (main) (2026-03-18)' or remove the misleading uv.lock reference.

✅ 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 dependency/version bump updates to submodule pointers with no functional code modifications or breaking changes.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch bump-ci-container-2026-03-18-main-main

📝 Coding Plan

• Generate coding plan for human review comments

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[yaoyu-33]

/ok to test 3a4872a