chore(deps): bump js-yaml from 3.14.1 to 4.3.0

[dependabot]

Bumps js-yaml from 3.14.1 to 4.3.0.

Changelog

Sourced from js-yaml's changelog.

4.3.0, 3.15.0 - 2026-06-27

Security

• Backported maxTotalMergeKeys option.

[5.2.0] - 2026-06-26

Added

• Added maxTotalMergeKeys (10000) loader option to limit the total number of keys processed by YAML merge (<<) across one load() / loadAll() call.
• Added maxAliases (-1) loader option to limit the number of YAML aliases per document.

Removed

• maxMergeSeqLength replaced with maxTotalMergeKeys for limiting YAML merge processing.

Fixed

• Round-trip of integers with exponential form (>= 1e21)

[5.1.0] - 2026-06-23

Added

• Collection tags can finalize an incrementally populated carrier into a different result value.

Changed

• [breaking] quoteStyle now selects the preferred quote style; use the restored forceQuotes option to force quoting non-key strings.

[5.0.0] - 2026-06-20

Added

• Added named exports for schemas, tags, parser events and AST utilities.
• Reworked JSON_SCHEMA and CORE_SCHEMA with spec-compliant scalar resolution rules, and added YAML11_SCHEMA.
• Added realMapTag for lossless mappings with non-string and complex keys. Object-based mappings now reject complex keys instead of stringifying them.
• Added dump() transform option for changing the generated AST before rendering.
• Added dump() options seqInlineFirst, flowBracketPadding, flowSkipCommaSpace, flowSkipColonSpace, quoteFlowKeys, quoteStyle and tagBeforeAnchor.
• Added formal data layers (events and AST) for modular data pipelines.
  • Added low-level parser (to events), presenter and visitor APIs.
• Added the YAML Test Suite to the test set.

Changed

• See the migration guide for upgrade notes.
• Rewritten in TypeScript and reorganized the public API around flat named exports.

... (truncated)

Commits

• 33d05b5 4.3.0 released
• 663bfab Drop demo publish, to not override new v5 one.
• 1cb8c7b Add v4-legacy tag for publish
• 02f27af Restore umd builds back to es5
• 8be84ed Fix es5 compatibility
• 59423c6 Replace maxMergeSeqLength option with maxTotalMergeKeys (more robust). Ba...
• 6842ef6 doc polish
• 590dbab 4.2.0 released
• f944dc5 Add package.json funding field
• f692719 Changelog update
• Additional commits viewable in compare view

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[github-actions]

Deep Review

Scope: 1 file (yarn.lock), a Dependabot dependency PR. Yarn Berry v4.9.2 workspace, nodeLinker: node-modules.
Intent (advisory): upgrade js-yaml. The actual diff does the opposite — it removes the direct js-yaml resolution rather than upgrading it.

🔴 P0/P1 — must fix

• yarn.lock:529 — the diff deletes the js-yaml: "npm:^4.2.0" workspace dependency entry and the js-yaml@npm:^4.2.0 resolution, but package.json still declares "js-yaml": "^4.2.0"; the post-change lockfile resolves no js-yaml >=4 (only transitive 3.14.1), and no 4.3.0 entry exists despite the PR title, so yarn immutable install on main (.github/workflows/release.yml:35, CI sets CI=true) fails with YN0028 and blocks the release job before yarn run version ever runs.
  • Fix: do not merge this lockfile-only change; regenerate yarn.lock from package.json with yarn install so a resolution satisfying ^4.2.0 is present (and argparse@^2.0.1 is restored), or, if a bump is intended, update package.json to the target js-yaml 4.x and re-lock so manifest and lockfile agree.
  • _{correctness, project-standards, maintainability}

🟡 P2 — recommended

• scripts/update-chart-versions.js:2 — after this change the only js-yaml the lockfile resolves is the transitive 3.14.1, so if the immutable check were bypassed (local non-CI install or regeneration) the script's require("js-yaml") would hoist to v3, where yaml.load() is unsafe-by-default and schema/serialization defaults differ from the intended v4, silently altering Chart.yaml round-tripping in the release path.
  • Fix: ensure a direct js-yaml 4.x resolution remains in the regenerated lockfile and verify with yarn why js-yaml that the workspace resolves the intended major.
  • _{maintainability, correctness}

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Reviewers (3): correctness, project-standards, maintainability.

Testing gaps:

• No PR-time CI step enforces lockfile/package.json consistency (e.g. yarn install --immutable); this desync would otherwise surface only at release time.
• No test exercises scripts/update-chart-versions.js, so a js-yaml major-version change in Chart.yaml serialization would go undetected.