Bump the dev-dependencies group in /npm_and_yarn/helpers with 2 updates

[dependabot]

Bumps the dev-dependencies group in /npm_and_yarn/helpers with 2 updates: eslint and prettier.

Updates eslint from 9.31.0 to 9.39.2

Release notes

Sourced from eslint's releases.

v9.39.2

Bug Fixes

• 5705833 fix: warn when eslint-env configuration comments are found (#20381) (sethamus)

Build Related

• 506f154 build: add .scss files entry to knip (#20391) (Milos Djermanovic)

Chores

• 7ca0af7 chore: upgrade to @eslint/js@9.39.2 (#20394) (Francesco Trotta)
• c43ce24 chore: package.json update for @​eslint/js release (Jenkins)
• 4c9858e ci: add v9.x-dev branch (#20382) (Milos Djermanovic)

v9.39.1

Bug Fixes

• 650753e fix: Only pass node to JS lang visitor methods (#20283) (Nicholas C. Zakas)

Documentation

• 51b51f4 docs: add a section on when to use extends vs cascading (#20268) (Tanuj Kanti)
• b44d426 docs: Update README (GitHub Actions Bot)

Chores

• 92db329 chore: update @eslint/js version to 9.39.1 (#20284) (Francesco Trotta)
• c7ebefc chore: package.json update for @​eslint/js release (Jenkins)
• 61778f6 chore: update eslint-config-eslint dependency @​eslint/js to ^9.39.0 (#20275) (renovate[bot])
• d9ca2fc ci: Add rangeStrategy to eslint group in renovate config (#20266) (唯然)
• 009e507 test: fix version tests for ESLint v10 (#20274) (Milos Djermanovic)

v9.39.0

Features

• cc57d87 feat: update error loc to key in no-dupe-class-members (#20259) (Tanuj Kanti)
• 126552f feat: update error location in for-direction and no-dupe-args (#20258) (Tanuj Kanti)
• 167d097 feat: update complexity rule to highlight only static block header (#20245) (jaymarvelz)

Bug Fixes

• 15f5c7c fix: forward traversal step.args to visitors (#20253) (jaymarvelz)
• 5a1a534 fix: allow JSDoc comments in object-shorthand rule (#20167) (Nitin Kumar)
• e86b813 fix: Use more types from @​eslint/core (#20257) (Nicholas C. Zakas)
• 927272d fix: correct Scope typings (#20198) (jaymarvelz)
• 37f76d9 fix: use AST.Program type for Program node (#20244) (Francesco Trotta)
• ae07f0b fix: unify timing report for concurrent linting (#20188) (jaymarvelz)
• b165d47 fix: correct Rule typings (#20199) (jaymarvelz)
• fb97cda fix: improve error message for missing fix function in suggestions (#20218) (jaymarvelz)

Documentation

• d3e81e3 docs: Always recommend to include a files property (#20158) (Percy Ma)
• 0f0385f docs: use consistent naming recommendation (#20250) (Alex M. Spieslechner)
• a3b1456 docs: Update README (GitHub Actions Bot)
• cf5f2dd docs: fix correct tag of no-useless-constructor (#20255) (Tanuj Kanti)
• 10b995c docs: add TS options and examples for nofunc in no-use-before-define (#20249) (Tanuj Kanti)
• 2584187 docs: remove repetitive word in comment (#20242) (reddaisyy)

... (truncated)

Commits

• 9278324 9.39.2
• 542266a Build: changelog update for 9.39.2
• 7ca0af7 chore: upgrade to @eslint/js@9.39.2 (#20394)
• c43ce24 chore: package.json update for @​eslint/js release
• 5705833 fix: warn when eslint-env configuration comments are found (#20381)
• 506f154 build: add .scss files entry to knip (#20391)
• 4c9858e ci: add v9.x-dev branch (#20382)
• e277281 9.39.1
• 4cdf397 Build: changelog update for 9.39.1
• 92db329 chore: update @eslint/js version to 9.39.1 (#20284)
• Additional commits viewable in compare view

Updates prettier from 3.6.2 to 3.8.1

Release notes

Sourced from prettier's releases.

3.8.1

• Include available printers in plugin type declarations (#18706 by @​porada)

🔗 Changelog

3.8.0

• Support Angular v21.1

diff

🔗 Release note "Prettier 3.8: Support for Angular v21.1"

3.7.4

What's Changed

• Fix comment in union type gets duplicated by @​fisker in prettier/prettier#18393
• Fix unstable comment print in union type by @​fisker in prettier/prettier#18395
• Avoid quote around LWC interpolations by @​kovsu in prettier/prettier#18383

🔗 Changelog

3.7.3

What's Changed

• Fix prettier.getFileInfo() change that breaks VSCode extension by @​fisker in prettier/prettier#18375

🔗 Changelog

3.7.2

What's Changed

• Fix string print when switching quotes by @​fisker in prettier/prettier#18351
• Preserve quote for embedded HTML attribute values by @​kovsu in prettier/prettier#18352
• Fix comment in empty type literal by @​fisker in prettier/prettier#18364

🔗 Changelog

3.7.1

• Fix performance regression in doc printer (#18342 by @​fisker)

🔗 Changelog

3.7.0

diff

🔗 Release note

Changelog

Sourced from prettier's changelog.

3.8.1

diff

Include available printers in plugin type declarations (#18706 by @​porada)

// Input
import * as prettierPluginEstree from "prettier/plugins/estree";
// Prettier 3.8.0
// Property 'printers' does not exist on type 'typeof import("prettier/plugins/estree")'. ts(2339)
prettierPluginEstree.printers.estree; //=> any
// Prettier 3.8.1
prettierPluginEstree.printers.estree; //=> Printer
prettierPluginEstree.printers["estree-json"]; //=> Printer

3.8.0

diff

🔗 Release Notes

3.7.4

diff

LWC: Avoid quote around interpolations (#18383 by @​kovsu)

<!-- Input -->
<div foo={bar}>   </div>
<!-- Prettier 3.7.3 (--embedded-language-formatting off) -->
<div foo="{bar}"></div>
<!-- Prettier 3.7.4 (--embedded-language-formatting off) -->
<div foo={bar}></div>

TypeScript: Fix comment inside union type gets duplicated (#18393 by @​fisker)

// Input
type Foo = (/** comment */ a | b) | c;
</tr></table> 

... (truncated)

Commits

• 90983f4 Release 3.8.1
• 57f702f Include available printers in plugin type declarations (#18706)
• bece827 Revert change in release script
• 82a4ab2 Bump Prettier dependency to 3.8.0
• 5213ee4 Clean changelog_unreleased
• f95ad0f Comment out finished steps
• b2034e8 Fix release script
• 5824b15 Release 3.8.0
• 0433601 Add blog post for v3.8.0 (#18639)
• b04d05b Remove lint step from release script (#18415)
• Additional commits viewable in compare view

Maintainer changes

This version was pushed to npm by [GitHub Actions](https://www.npmjs.com/~GitHub Actions), a new releaser for prettier since your current version.

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---

Summary by cubic

Upgrade dev tooling in npm_and_yarn/helpers to the latest linter and formatter for fixes and more consistent formatting. No runtime code changes.

• Dependencies
  • eslint: 9.31.0 → 9.39.2
  • prettier: 3.6.2 → 3.8.1

^{Written for commit 486a6f0. Summary will update on new commits.}

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[cubic-dev-ai]

No issues found across 2 files

[dependabot]

Looks like these dependencies are updatable in another way, so this is no longer needed.