chore: updated Forem to Forum in the menu (#187)

Author: JoblersTune

src/components/pages/FoundationHeader.astro

@@ -147,7 +147,7 @@ import FoundationLogo from '../logos/FoundationLogo.astro'
                 data-umami-event="Site Nav - Community Forem"
                 rel="noopener noreferrer"
                 target="_blank"
-                >Community Forem
+                >Community Forum
                 <ExternalIcon class="external" />
               </a>
             </li>