fix(deps): update frontend-e2e-against-stack dependencies to v5

[renovate-sh-app]

This PR contains the following updates:

Package	Change	Age	Confidence
js-yaml	^4.1.0 → ^5.0.0

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Release Notes

nodeca/js-yaml (js-yaml)

v5.1.0

Compare Source

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.

v5.0.0

Compare Source

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.
• Reduced the set of exported schemas:
  • YAML 1.2 schemas: CORE_SCHEMA (loader default), JSON_SCHEMA,
    FAILSAFE_SCHEMA.
  • YAML11_SCHEMA, a combination of all YAML 1.1 tags (YAML 1.1 does not
    specify a schema, only "types").
• load/dump default behaviour is now specified exactly via schemas:
  • load uses CORE_SCHEMA, without !!merge by default.
  • dump uses YAML11_SCHEMA + CORE_SCHEMA for the quoting check, to
    guarantee backward compatibility by default.
• !!set is now loaded as a JavaScript Set.
• Replaced the Type API with a tags API. Similar, but more precise and
  simpler. See examples for details. Tags can be defined via
  defineScalarTag(), defineSequenceTag() and defineMappingTag(), or as a
  spread + override of an existing tag.
• Renamed Schema.extend() to Schema.withTags().
• Expanded YAML 1.2 conformance and improved handling of directives, document
  markers, block keys, multiline scalars, tag syntax and other things.
• load() now throws on empty input instead of returning undefined.
• Moved browser builds to the js-yaml/browser export.
• Deprecated the loadAll signature with an iterator (still works, but is a
  candidate for removal).

Removed

• Removed deprecated safeLoad(), safeLoadAll() and safeDump() exports.
• Removed DEFAULT_SCHEMA and the nested types export.
• Removed loader options onWarning, legacy and listener.
• Removed dumper options styles, replacer, noCompatMode, condenseFlow,
  quotingType and forceQuotes. Renamed noArrayIndent to seqNoIndent.
  Formatting and representation are now configured through presenter options,
  schemas and tag definitions. See migration guide on how to replace.
• Removed support for importing internal files from lib/.

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[renovate-sh-app]

Rebase requested. Renovate is processing this repository now.

[mckn]

js-yaml v5 dropped its default export, so import yaml from "js-yaml" in plopfile.mjs would crash the e2e provisioning step at import time. CI didn't catch it because nothing in CI actually runs plopfile.mjs — it needs an HG token and a live Grafana Cloud stack.

Pushed two changes onto this branch:

• Switched to a namespace import (import * as yaml from "js-yaml"). The only usage is yaml.dump(), and its output is unchanged.
• Pinned js-yaml to an exact version (dropped the ^) so a future minor/patch can't shift this without us noticing.

[mckn]

LGTM!

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