Update dependency less to ^4.6.4

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
less (source)	^4.5.1 → ^4.6.4

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Release Notes

less/less.js (less)

v4.6.4

Compare Source

v4.6.3

Compare Source

Changes

See CHANGELOG.md for details.

Installation

npm install less@4.6.3

v4.6.2

Compare Source

v4.6.1

Compare Source

v4.6.0

Compare Source

Bug Fixes

• #​4414 Fix pre-existing bugs in tree nodes: selector this binding, atrule parenting, mixin-call error propagation, container/media functionRegistry guard (@​matthew-dean)
• #​4408 Fix #​4358 Resolve parent selectors in comma-separated pseudo-selector lists (@​matthew-dean)
• #​4407 Fix #​4331 Exclude CSS at-rule keywords from declarationCall parsing (@​matthew-dean)
• #​4389 Fix #​4354 Unknown at-rule expression commas (@​puckowski)
• #​4404 Fix no-prototype-builtins issues in Ruleset and ToCSSVisitor (@​matthew-dean)
• #​4236 Fix import subpath module bug (@​nicolo-ribaudo)
• #​4327 Remove duplicate length check from expression.genCSS() (@​nicolo-ribaudo)
• #​3791 Handle the lack of optional dependencies (@​nicolo-ribaudo)

Features & Improvements

• #​4413 Add JSDoc type annotations for all tree node files (@​matthew-dean)
• #​4412 Convert prototype-based tree nodes to ES6 classes (@​matthew-dean)
• #​4411 Migrate to native ESM with no build step (@​matthew-dean)
• #​4410 Optimize hot paths and fix benchmark infrastructure (@​matthew-dean)
• #​4409 Code quality cleanup for container queries and related code (@​matthew-dean)

Deprecation Warnings

• #​4402 Add deprecation warnings for features removed in Less 5.x, container query variable name fix, deprecation notice fix (@​matthew-dean, @​puckowski)

Chores

• #​4406 Add test for number with underscore parsing (@​matthew-dean)
• #​4386 Update README.md copyright (@​matthew-dean)
• #​3782 Remove phantom stuff (@​nicolo-ribaudo)
• #​3702 Replace deprecated String.prototype.substr() (@​nicolo-ribaudo)
• #​4265 Remove redundant return from parsers.blockRuleset() (@​nicolo-ribaudo)
• #​4271 Remove unused parsers.entities.propertyCurly() (@​nicolo-ribaudo)

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