chore(deps-dev): Bump js-yaml from 3.14.1 to 3.14.2

[dependabot]

Bumps js-yaml from 3.14.1 to 3.14.2.

Changelog

Sourced from js-yaml's changelog.

[3.14.2] - 2025-11-15

Security

• Backported v4.1.1 fix to v3

[4.1.1] - 2025-11-12

Security

• Fix prototype pollution issue in yaml merge (<<) operator.

[4.1.0] - 2021-04-15

Added

• Types are now exported as yaml.types.XXX.
• Every type now has options property with original arguments kept as they were (see yaml.types.int.options as an example).

Changed

• Schema.extend() now keeps old type order in case of conflicts (e.g. Schema.extend([ a, b, c ]).extend([ b, a, d ]) is now ordered as abcd instead of cbad).

[4.0.0] - 2021-01-03

Changed

• Check migration guide to see details for all breaking changes.
• Breaking: "unsafe" tags !!js/function, !!js/regexp, !!js/undefined are moved to js-yaml-js-types package.
• Breaking: removed safe* functions. Use load, loadAll, dump instead which are all now safe by default.
• yaml.DEFAULT_SAFE_SCHEMA and yaml.DEFAULT_FULL_SCHEMA are removed, use yaml.DEFAULT_SCHEMA instead.
• yaml.Schema.create(schema, tags) is removed, use schema.extend(tags) instead.
• !!binary now always mapped to Uint8Array on load.
• Reduced nesting of /lib folder.
• Parse numbers according to YAML 1.2 instead of YAML 1.1 (01234 is now decimal, 0o1234 is octal, 1:23 is parsed as string instead of base60).
• dump() no longer quotes :, [, ], (, ) except when necessary, #470, #557.
• Line and column in exceptions are now formatted as (X:Y) instead of at line X, column Y (also present in compact format), #332.
• Code snippet created in exceptions now contains multiple lines with line numbers.
• dump() now serializes undefined as null in collections and removes keys with undefined in mappings, #571.
• dump() with skipInvalid=true now serializes invalid items in collections as null.
• Custom tags starting with ! are now dumped as !tag instead of !<!tag>, #576.
• Custom tags starting with tag:yaml.org,2002: are now shorthanded using !!, #258.

Added

• Added .mjs (es modules) support.
• Added quotingType and forceQuotes options for dumper to configure string literal style, #290, #529.
• Added styles: { '!!null': 'empty' } option for dumper (serializes { foo: null } as "foo: "), #570.

... (truncated)

Commits

• 9963d36 3.14.2 released
• 10d3c8e dist rebuild
• 5278870 fix prototype pollution in merge (<<) (#731)
• See full diff in compare view

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[WhitWaldo]

@copilot Do you anticipate any issues with merging this based on changelogs and diffs about what changed between the versions and how we're using the packages?

[Copilot]

@copilot Do you anticipate any issues with merging this based on changelogs and diffs about what changed between the versions and how we're using the packages?

No issues anticipated with merging this.

What changed: 3.14.2 is a security-only patch that backports the v4.1.1 fix to the v3 branch — it addresses a prototype pollution vulnerability in the YAML merge (<<) operator.

How it's used here: js-yaml 3.x is not a direct dependency of the SDK. It's a transitive dev-only dependency pulled in by @istanbuljs/load-nyc-config (part of the test coverage tooling). The root package already resolves its direct js-yaml reference to v4.1.1 (which already has this fix). The 3.x instance only handles istanbul's config file loading during test runs — it's not used in the SDK source code at all.

Risk assessment: Very low. The patch fixes prototype pollution that could only be triggered by a specifically crafted YAML input using the merge key. Istanbul's config loading reads trusted local config files, so the vulnerability was never realistically exploitable in this context. There are no API changes or breaking changes between 3.14.1 and 3.14.2. Safe to merge.