Support old icon HTML syntax?

[zachleat]

-<i class="fa fa-github"></i>
-<i class="fa fa-code"></i>
+<i class="fa-brands fa-github"></i>
+<i class="fa-solid fa-code"></i>

via https://equk.co.uk/2025/03/23/11ty-font-awesome-svg-plugin/ via https://hachyderm.io/@equilibriumuk/114213530741737509