Light theme improvement.

Author: William Troup

dist/themes/light/jsontree.js.light.theme.css

@@ -7,7 +7,7 @@
 
     /* Colors - Types */
     --json-tree-js-color-boolean: #FF0000;
-    --json-tree-js-color-decimal: #e3c868;
+    --json-tree-js-color-decimal: #F4BB44;
     --json-tree-js-color-number: #666bf9;
     --json-tree-js-color-bigint: #6495ED;
     --json-tree-js-color-string: #097969;