[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

src/components/header/header-actions.astro

@@ -25,7 +25,7 @@ const IS_LIVE = false;
         <ButtonLink href="/programme/cfp" className="hidden md:block">
           <span>Send your proposal!</span>
         </ButtonLink>
---> 
+-->
         {IS_LIVE && (
           <ButtonLink href="/live">
             Live