Add inert attribute to boolean list (#12729)

* added changeset

* added changeset

Author: JoeMorgan

.changeset/twelve-donuts-hide.md

@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+"Added `inert` to htmlBooleanAttributes"

packages/astro/src/runtime/server/render/util.ts

@@ -7,7 +7,7 @@ import { HTMLString, markHTMLString } from '../escape.js';
 export const voidElementNames =
 	/^(area|base|br|col|command|embed|hr|img|input|keygen|link|meta|param|source|track|wbr)$/i;
 const htmlBooleanAttributes =
-	/^(?:allowfullscreen|async|autofocus|autoplay|checked|controls|default|defer|disabled|disablepictureinpicture|disableremoteplayback|formnovalidate|hidden|loop|nomodule|novalidate|open|playsinline|readonly|required|reversed|scoped|seamless|selected|itemscope)$/i;
+	/^(?:allowfullscreen|async|autofocus|autoplay|checked|controls|default|defer|disabled|disablepictureinpicture|disableremoteplayback|formnovalidate|hidden|inert|loop|nomodule|novalidate|open|playsinline|readonly|required|reversed|scoped|seamless|selected|itemscope)$/i;
 
 const AMPERSAND_REGEX = /&/g;
 const DOUBLE_QUOTE_REGEX = /"/g;