chore(dependabot): ignore unsupported major updates

[clay-good]

Status

LGTM.

What was missing / motivation

Dependabot can propose major updates to Node type definitions and TypeScript that exceed the repository's supported runtime or require a deliberate migration.

What it does

Ignores SemVer-major version updates for @types/node and typescript in both npm manifests. Minor, patch, and security updates continue normally.

Proof it works

• Parsed .github/dependabot.yml successfully.
• Verified both npm entries contain the expected ignore rules.
• git diff --check passes.

Notes / nits

Supersedes #1619 and #1621.

Summary by CodeRabbit

• Chores
  • Updated dependency update settings to defer major-version updates for TypeScript and Node.js type definitions in both npm projects.

[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 Plus

Run ID: af5b528e-223f-4aa0-b3fb-7d208e36ca10

📥 Commits

Reviewing files that changed from the base of the PR and between e50bd09 and c6f86bc.

📒 Files selected for processing (1)

• .github/dependabot.yml

---

📝 Walkthrough

Walkthrough

Dependabot rules now ignore semver-major updates for @types/node and typescript in the root and website npm projects.

Changes

Dependabot update rules

Layer / File(s)	Summary
Configure npm major-version ignores .github/dependabot.yml	The root and website npm configurations ignore major updates for @types/node and typescript.

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

Suggested reviewers: tabishb, alfred-openspec

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly identifies the Dependabot change to ignore unsupported major updates.
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.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch codex/tune-dependabot-major-updates

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