Change the call to action button to CFP (#974)

Why send people to the videos if we want them to give us CfPs

Author: cybit

src/components/header/header-actions.astro

@@ -21,8 +21,8 @@ const IS_LIVE = false;
           </abbr>
           <span class="hidden md:inline">Code of Conduct</span>
         </ButtonLink>
-        <ButtonLink href="https://www.youtube.com/playlist?list=PL8uoeex94UhE1CbtkDK4hevp2lBif57Nq" className="hidden md:block">
-          <span>2024 Recordings</span>
+        <ButtonLink href="/programme/cfp" className="hidden md:block">
+          <span>Send your proposal!</span>
         </ButtonLink>
         {IS_LIVE && (
           <ButtonLink href="/live">