Update latest dev release perl-5.43.4

Author: ericherman

docs/dev/perl5/index.html

@@ -27,7 +27,7 @@ <h3>Releases</h3>
     <ul>
       <li>
         Latest development release
-        is <a href="https://perldoc.perl.org/5.43.3/perldelta">Perl 5.43.3</a>
+        is <a href="https://perldoc.perl.org/5.43.4/perldelta">Perl 5.43.4</a>
       </li>
       <li>Current major release is
         <a href="[% perl_stats.perl_version_link %]"