@vanilla-extract/css@1.21.3

Patch Changes

• #1793 6e37ee2 Thanks @askoufis! - Replace deepmerge dependency with deepmerge-ts

• #1791 437578d Thanks @tony-scio! - perf: Only build the local class name search index when a stylesheet needs it, speeding up builds of stylesheets that use only plain class selectors

• #1790 28767ea Thanks @sonofmagic! - Upgrade modern-ahocorasick dependency to ^3.3.0