feat(html): add inert global HTML attribute (#5476)

Add the `inert` boolean attribute to the global HTML attribute
group and to the SSR boolean attributes list. This allows users
to set `inert` on any HTML element, matching the HTML spec.

Fixes #5455

packages/ssr/src/renderer.rs

@@ -447,6 +447,7 @@ pub(crate) const BOOL_ATTRS: &[&str] = &[
     "disabled",
     "formnovalidate",
     "hidden",
+    "inert",
     "ismap",
     "itemscope",
     "loop",