Update dependency less to ^4.9.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
less (source)	^4.5.1 → ^4.9.0

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Release Notes

less/less.js (less)

v4.9.0

Compare Source

Changes

• #​4488 feat: support [...] lookups in @{...} interpolation (@​matthew-dean)
• #​4486 fix: prevent reparsing escape() results (@​snowyukitty)
• #​4481 fix: keep the media type first when flattening nested @​media queries (@​Lfan-ke)

v4.8.1

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Changes

• #​4483 fix(release): sync release version from PR title (@​matthew-dean)
• #​4479 fix: leave math functions for the browser when an argument is a runtime CSS var() (@​Lfan-ke)
• #​4477 fix: forwarding an unset variadic no longer overrides callee defaults (@​Lfan-ke)
• #​4474 chore: release v4.8.0 — deprecate legacy identifier forms and dynamic @​charset (@​app/github-actions)

v4.8.0

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Changes

• #​4473 fix(mixing): resolves issue #​4234 (@​puckowski)
• #​4472 Fix boolean() parsing for comparisons between inline condition expressions (@​app/copilot-swe-agent)

Deprecation Warnings

• #​4475 Deprecate numeric-leading and dash-only variable names, dash-only mixin names, and dynamic @charset interpolation for removal in Less 5.x. Less 4 preserves the existing output while warning; migrate names to valid identifiers and use a static quoted @charset declaration. (@​matthew-dean)

v4.7.0

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Changes

• #​4469 Follow-up to #​4462: migrate remaining @​var fixtures, DRY the prelude bare-@​var scan, add warnings coverage (@​matthew-dean)
• #​4462 feat: deprecate bare @​variable in non-value at-rule positions (@​matthew-dean)
• #​4461 Fix #​4460: parse comparison/range syntax in container style() queries (@​dweep-js)
• #​4459 refactor: extract shared ESLint config and add lint scripts (@​JessenReinhart)
• #​4456 Replace image-size with probe-image-size (@​priyamkarn)

v4.6.7

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Changes

• #​4457 Fix failing "Request Copilot review" CI job (@​app/copilot-swe-agent)
• #​4451 chore: release v4.6.6 (@​app/github-actions)

v4.6.6

Compare Source

Changes

• #​4450 fix: use printf for PR body to avoid YAML indentation error in run block (@​matthew-dean)
• #​4449 fix: correct push event typo in create-release-pr workflow (pus → push:) (@​matthew-dean)
• #​4446 fix: avoid TypeError on nested @​supports with dumpLineNumbers (@​sarathfrancis90)
• #​4441 Preserve spacing for container feature functions (@​puneetdixit200)
• #​4440 chore: prevent dependency lifecycle scripts (@​puckowski)
• #​4437 docs: fix incorrect contributor attributions in v4.6.0 changelog (@​barry3406)
• #​4434 fix(issue#4316): color calc inside from expression (@​puckowski)

v4.6.5

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Bug Fixes

• #​4444 Fix browser export interop by routing bundlers to CJS-typed UMD artifact (@​Copilot)
• #​4427 Fix parenthesis in media query (@​puckowski)
• #​4421 Fix not keyword silently ignored when used without parentheses in conditions (@​Copilot)
• #​4426 Upgrade make-dir to v4 to fix security vulnerability (@​jorenbroekema)

Maintenance

• #​4447 Automate CHANGELOG generation in release workflow (@​matthew-dean)
• #​4448 Add continue-on-error to copilot-review CI job (@​matthew-dean)
• #​4445 Fix Playwright chromium install hang on Node current/lts/* (@​matthew-dean)
• #​4431 PR-based release flow for alpha branches (@​Copilot)
• #​4430 Ensure npm publish is always backed by a GitHub tag, release, and version-bump commit (@​Copilot)
• #​4432 Update packageManager to pnpm@​9.15.9 to match lockfileVersion 9.0 (@​Copilot)
• #​4420 Regression test for @​container mixin parameter variable resolution (@​Copilot)

v4.6.4

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Tests

• #​4422 Add coverage for :is()/:matches()/:where() containing nested :has() selectors and comma-separated lists (@​Copilot)

v4.6.3

Compare Source

Bug Fixes

• #​4424 Fix webpack browser build - use UMD dist/less.js, add CJS bundle (@​matthew-dean)

v4.6.2

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Maintenance

• #​4418 Fix publish script to skip stale version markers in squash merges (@​matthew-dean)
• #​4419 Remove .claude directory and add to .gitignore (@​matthew-dean)

v4.6.1

Compare Source

Bug Fixes

• #​4417 Fix CJS compatibility, enriched npm README, ESM tests (@​matthew-dean)

v4.6.0

Compare Source

Changes

• #​4450 fix: use printf for PR body to avoid YAML indentation error in run block (@​matthew-dean)
• #​4449 fix: correct push event typo in create-release-pr workflow (pus → push:) (@​matthew-dean)
• #​4446 fix: avoid TypeError on nested @​supports with dumpLineNumbers (@​sarathfrancis90)
• #​4441 Preserve spacing for container feature functions (@​puneetdixit200)
• #​4440 chore: prevent dependency lifecycle scripts (@​puckowski)
• #​4437 docs: fix incorrect contributor attributions in v4.6.0 changelog (@​barry3406)
• #​4434 fix(issue#4316): color calc inside from expression (@​puckowski)

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