MDL-70301 lib: Upgrade scssphp to 1.4.1

lib/scssphp/Type.php

@@ -1,8 +1,9 @@
 <?php
+
 /**
  * SCSSPHP
  *
- * @copyright 2012-2019 Leaf Corcoran
+ * @copyright 2012-2020 Leaf Corcoran
  *
  * @license http://opensource.org/licenses/MIT MIT
  *
@@ -21,12 +22,16 @@ class Type
     const T_ASSIGN = 'assign';
     const T_AT_ROOT = 'at-root';
     const T_BLOCK = 'block';
+    /** @deprecated */
     const T_BREAK = 'break';
     const T_CHARSET = 'charset';
     const T_COLOR = 'color';
     const T_COMMENT = 'comment';
+    /** @deprecated */
     const T_CONTINUE = 'continue';
+    /** @deprecated */
     const T_CONTROL = 'control';
+    const T_CUSTOM_PROPERTY = 'custom';
     const T_DEBUG = 'debug';
     const T_DIRECTIVE = 'directive';
     const T_EACH = 'each';
@@ -37,6 +42,7 @@ class Type
     const T_EXTEND = 'extend';
     const T_FOR = 'for';
     const T_FUNCTION = 'function';
+    const T_FUNCTION_REFERENCE = 'function-reference';
     const T_FUNCTION_CALL = 'fncall';
     const T_HSL = 'hsl';
     const T_IF = 'if';