Enable CSS variables in no-hardcoded-color rule

Allow CSS variables like `var(--something-here)` as valid color values in the no-hardcoded-color rule.

Author: anubra266

.changeset/allow-css-variables.md

@@ -1,5 +1,5 @@
 ---
-"eslint-plugin-panda": patch
+"@pandacss/eslint-plugin": patch
 ---
 
 Allow CSS variables in no-hardcoded-color rule. CSS variables like `var(--something-here)` are now recognized as valid color values and will not trigger the no-hardcoded-color rule error.