chore(beep boop 🤖): Bump uv.lock (main, mcore-main) (2026-03-22)

[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 build identifiers and third-party module references to the latest commits.

[svcnvidia-nemo-ci]

/ok to test cb8d93f

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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: a769dca9-ceb1-4c0a-8310-e55f98b6946e

📥 Commits

Reviewing files that changed from the base of the PR and between 6a32299 and cb8d93f.

📒 Files selected for processing (2)

• .main.commit
• 3rdparty/Megatron-LM

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📝 Walkthrough

Walkthrough

Updates the recorded commit identifier in .main.commit and the 3rdparty/Megatron-LM submodule reference from b4e4d9618e8dec4fe72adb231b56c209130df811 to a811ac17cea08e8fbdfa300be21298e02886bf85, synchronizing the vendored dependency version.

Changes

Cohort / File(s)	Summary
Submodule and Commit Version Bump .main.commit, 3rdparty/Megatron-LM	Updated commit identifier from b4e4d9618e8dec4fe72adb231b56c209130df811 to a811ac17cea08e8fbdfa300be21298e02886bf85 across both files.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• chore(beep boop 🤖): Bump uv.lock (main) (2026-03-18) #2873: Updates both .main.commit and 3rdparty/Megatron-LM submodule pointer to a different commit hash.
• chore(beep boop 🤖): Bump uv.lock (main) (2026-03-16) #2813: Makes identical types of changes, updating both the .main.commit file and the Megatron-LM submodule reference.
• chore(beep boop 🤖): Bump uv.lock (main) (2026-02-12) #2349: Updates the 3rdparty/Megatron-LM submodule pointer to a different target commit.

Suggested reviewers

• yaoyu-33
• maanug-nv

🚥 Pre-merge checks | ✅ 3 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Title check	⚠️ Warning	The PR title mentions bumping 'uv.lock' but the actual changes are to '.main.commit' and a Megatron-LM submodule reference, not the uv.lock file.	Update the title to accurately reflect the actual changes, such as 'chore: Update .main.commit and Megatron-LM submodule reference' 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 consisting of dependency reference updates (commit hashes and submodule reference) with no modifications to code logic or public interfaces.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch bump-ci-container-2026-03-22-main-main

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