chore(beep boop 🤖): Bump uv.lock (main, mcore-dev) (2026-04-13)

[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 and development references.

This release contains no user-facing changes or new features.

[svcnvidia-nemo-ci]

/ok to test 3898362

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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: d7fc0177-f1b9-43f8-9779-e424fc3a8ee5

📥 Commits

Reviewing files that changed from the base of the PR and between 8dfe249 and 3898362.

⛔ Files ignored due to path filters (1)

• uv.lock is excluded by !**/*.lock

📒 Files selected for processing (2)

• .dev.commit
• 3rdparty/Megatron-LM

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📝 Walkthrough

Walkthrough

This pull request updates the Megatron-LM submodule reference to a new commit hash and synchronizes the repository's commit tracking file to match this submodule update.

Changes

Cohort / File(s)	Summary
Submodule and Commit Tracking Updates .dev.commit, 3rdparty/Megatron-LM	Updated Megatron-LM submodule pointer and .dev.commit file to reference commit c0c4fdc45e9f0f8047e29f2cb8669613169752c3 (previously c72c4599012297cfbd1d57e006b544478b6bbf78 and 7cbc68ce96fc586d989ebaf864afe4f648474414 respectively).

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• Megatron-Bridge#2968 — Updates both the Megatron-LM submodule pointer and the commit-tracking file in the same manner as this PR.
• Megatron-Bridge#3191 — Modifies the same 3rdparty/Megatron-LM submodule reference with a different commit hash.
• Megatron-Bridge#3210 — Updates the Megatron-LM submodule pointer to track a new upstream commit.

Suggested reviewers

• yaoyu-33

🚥 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 actual changes are to '.dev.commit' and a Megatron-LM submodule, with no changes to 'uv.lock' present in the changeset.	Update the title to accurately reflect the actual changes: bumping the '.dev.commit' hash and Megatron-LM submodule version, not 'uv.lock'.

✅ 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 administrative changes: .dev.commit update, submodule version bump, and uv.lock update. 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-2026-04-13-main-dev

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[yaoyu-33]

/ok to test 41dbccd