feat: add custom variables to utility classes (openedx#2022)

Author: andrey-canon

styles/css/core/custom-media-breakpoints.css

@@ -1,7 +1,7 @@
 /**
  * IMPORTANT: This file is the result of assembling design tokens
  * Do not edit directly
- * Generated on Fri, 21 Apr 2023 08:31:37 GMT
+ * Generated on Mon, 24 Apr 2023 23:00:41 GMT
  */
 
 @custom-media --pgn-size-breakpoint-xs (min-width: 0);

styles/css/core/variables.css

@@ -1,7 +1,7 @@
 /**
  * IMPORTANT: This file is the result of assembling design tokens
  * Do not edit directly
- * Generated on Fri, 21 Apr 2023 08:31:37 GMT
+ * Generated on Mon, 24 Apr 2023 23:00:41 GMT
  */
 
 :root {