Add link to community voting to the header. (#1007)

Closes EuroPython/ep2025#68

Author: cybit

src/components/header/header-actions.astro

@@ -21,11 +21,9 @@ const IS_LIVE = false;
           </abbr>
           <span class="hidden md:inline">Code of Conduct</span>
         </ButtonLink>
-<!--
-        <ButtonLink href="/programme/cfp" className="hidden md:block">
-          <span>Send your proposal!</span>
+        <ButtonLink href="https://voting.europython.eu" className="hidden md:block">
+          <span>Community vote</span>
         </ButtonLink>
--->
         {IS_LIVE && (
           <ButtonLink href="/live">
             Live