update light theme color

packages/theme-light-extension/style/variables.css

@@ -371,7 +371,7 @@ all of MD as it is not optimized for dense, information rich UIs.
   --jp-search-toggle-off-opacity: 0.4;
   --jp-search-toggle-hover-opacity: 0.65;
   --jp-search-toggle-on-opacity: 1;
-  --jp-search-selected-match-background-color: rgb(255, 245, 0);
+  --jp-search-selected-match-background-color: rgb(245, 200, 0);
   --jp-search-selected-match-color: black;
   --jp-search-unselected-match-background-color: var(
     --jp-inverse-layout-color0