build(deps): bump js-yaml from 5.3.0 to 5.4.0

[dependabot]

Bumps js-yaml from 5.3.0 to 5.4.0.

Changelog

Sourced from js-yaml's changelog.

[5.4.0] - 2026-08-25

Added

• Added the scalarStyleRules dumper option to customize string formatting. See Scalar styling for details.

Changed

• [breaking] Flattened the low-level AST node style representation. Scalar and collection nodes now use SCALAR_STYLE and COLLECTION_STYLE values; explicit tags use the separate tagged property. Alias nodes now contain only kind and anchor. This only affects code that directly constructs or edits AST nodes.
• [breaking] The sortKeys option was rewritten using AST mutation to avoid side effects.
• Reworked scalar style selection. This can change formatting without changing loaded values; in particular, whitespace-only strings are now double-quoted.

Fixed

• Accept a byte order mark at the start of each document in a stream, #791.
• Produce valid flow mappings with quoteFlowKeys and flowSkipColonSpace, including alias and property-only keys, #786.
• Preserve empty scalar items when converting block sequences to flow style.
• Do not apply the 1024-character simple-key limit to flow mapping keys.
• Count Unicode code points, rather than UTF-16 code units, for the 1024-character simple-key limit.
• Add an explicit document-end marker after keep-chomped block scalars when needed to preserve trailing newlines.

Commits

• 6b4ff5e 5.4.0 released
• 3b3625e Update changelog
• 4f25a74 Fix file name
• 3bd003b Expose new scalar styling API
• fbb3e9d Remove regex lookbehind for ES2015 compatibility
• d43c185 Fix flowSkipColonSpace by forcing quoteFlowKeys
• a5fdb31 Add automatic double quoting for whitespace-only strings, close #534
• 25dcf77 Fix keep-chomped scalar test expectations
• 9f50a42 Fix open-ended tracking for document end markers
• 31aad6d Fix simple key length limit for astral characters
• Additional commits viewable in compare view

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[github-actions]

Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

OpenSSF Scorecard

Package	Version	Score	Details
npm/js-yaml	5.4.0	🟢 6	Details Check Score Reason Maintained 🟢 10 30 commit(s) and 26 issue activity found in the last 90 days -- score normalized to 10 Code-Review ⚠️ 0 Found 0/30 approved changesets -- score normalized to 0 Token-Permissions 🟢 10 GitHub workflow tokens follow principle of least privilege Packaging ⚠️ -1 packaging workflow not detected Binary-Artifacts 🟢 10 no binaries found in the repo SAST ⚠️ 0 no SAST tool detected Dangerous-Workflow 🟢 10 no dangerous workflow patterns detected CII-Best-Practices ⚠️ 0 no effort to earn an OpenSSF best practices badge detected Pinned-Dependencies 🟢 3 dependency not pinned by hash detected -- score normalized to 3 Fuzzing 🟢 10 project is fuzzed License 🟢 10 license file detected Branch-Protection ⚠️ 0 branch protection not enabled on development/release branches Signed-Releases ⚠️ -1 no releases found Security-Policy 🟢 4 security policy file detected

Scanned Files

• package-lock.json

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud