fix: audit list window covered by tooltip and highlight

Author: JP Wienekus

.changeset/silent-planes-show.md

@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Fixes a bug where highlights and tooltips render over the audit list window.

packages/astro/src/runtime/client/dev-toolbar/apps/audit/ui/audit-list-window.ts

@@ -83,7 +83,7 @@ export class DevToolbarAuditListWindow extends HTMLElement {
 					"Noto Color Emoji";
 				color: rgba(191, 193, 201, 1);
 				position: fixed;
-				z-index: 999999999;
+				z-index: 2000000009;
 				bottom: 72px;
 				left: 50%;
 				transform: translateX(-50%);