fix(theme): revert 79 to 179 in yellow-soft (#2858)

Author: skirtles-code

src/client/theme-default/styles/vars.css

@@ -62,7 +62,7 @@
   --vp-c-yellow-1: #915930;
   --vp-c-yellow-2: #946300;
   --vp-c-yellow-3: #9f6a00;
-  --vp-c-yellow-soft: rgba(234, 79, 8, 0.14);
+  --vp-c-yellow-soft: rgba(234, 179, 8, 0.14);
 
   --vp-c-red-1: #b8272c;
   --vp-c-red-2: #d5393e;