chore(deps): update github actions

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout (changelog)	action	digest	3d3c42e → d23441a
actions/setup-node (changelog)	action	digest	8207627 → 2499707

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This PR was generated by Mend Renovate. View the repository job log.

[coderabbitai]

📝 Walkthrough

Walkthrough

Repin GitHub Actions commit SHAs in the CI, CD, deps, and E2E workflows. Existing v6 annotations, commands, inputs, and job logic remain unchanged.

Estimated code review effort: 1 (Trivial) | ~5 minutes

Possibly related PRs

• deepnote/vscode-deepnote#46: Also updates pinned GitHub Actions references across workflow files.
• deepnote/vscode-deepnote#360: Also updates pinned GitHub Actions references in ci.yml.
• deepnote/vscode-deepnote#422: Updates the same workflow action pins without changing workflow logic.

Suggested reviewers: tkislan

🚥 Pre-merge checks | ✅ 6

✅ Passed checks (6 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Updates Docs	✅ Passed	Only GitHub Actions digests changed in workflow YAMLs; no feature code or docs were touched, so the docs-update check is not applicable.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately summarizes the main change: updating pinned GitHub Actions digests.

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_{Comment @coderabbitai help to get the list of available commands.}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 0%. Comparing base (259e2b2) to head (28efdb0).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@     Coverage Diff     @@
##   main   #379   +/-   ##
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The merge-base changed after approval.

The merge-base changed after approval.

The merge-base changed after approval.