chore(beep boop 🤖): Bump uv.lock (r0.3.0) (2026-02-26)

[svcnvidia-nemo-ci]

🚀 PR to bump uv.lock in r0.3.0.

🤖 This PR will be merged automatically once CI passes.

Summary by CodeRabbit

• Chores
  • Updated Megatron-LM dependency to the latest version.

[svcnvidia-nemo-ci]

/ok to test 13fb86f

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No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 21b02e0 and 13fb86f.

⛔ Files ignored due to path filters (1)

• uv.lock is excluded by !**/*.lock

📒 Files selected for processing (1)

• 3rdparty/Megatron-LM

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📝 Walkthrough

Walkthrough

This pull request updates the git submodule reference for 3rdparty/Megatron-LM to a newer commit version (from b0cc270 to 3bec9aa). The change affects only the submodule pointer without modifying any source code or project structure.

Changes

Cohort / File(s)	Summary
Submodule Reference Update 3rdparty/Megatron-LM	Updated submodule commit pointer from b0cc2706 to 3bec9aa9, pulling in upstream changes from Megatron-LM repository.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• chore(beep boop 🤖): Bump uv.lock (r0.3.0) (2026-02-23) #2490: Updates the same Megatron-LM submodule pointer, with the previous PR moving it to commit b0cc27 and this PR advancing it to 3bec9a.
• chore(beep boop 🤖): Bump uv.lock (main) (2026-02-17) #2399: Updates the Megatron-LM submodule pointer by bumping the tracked commit.
• chore(beep boop 🤖): Bump uv.lock (main) (2026-02-13) #2377: Performs a submodule pointer update for the same 3rdparty/Megatron-LM dependency.

Suggested labels

Run CICD

Suggested reviewers

• ko3n1g
• maanug-nv

🚥 Pre-merge checks | ✅ 3 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Title check	⚠️ Warning	The title mentions bumping uv.lock but the changeset only updates a Megatron-LM submodule reference, unrelated to lock file management.	Update the title to reflect the actual change: 'chore: Update Megatron-LM submodule reference' or similar to accurately describe the submodule update.

✅ 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—routine chore task updating uv.lock file and submodule reference with no functional code changes.

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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-2026-02-26-r0.3.0

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