slang: use pcre2grep for update version

pkgs/by-name/sl/slang/package.nix

@@ -67,13 +67,13 @@ stdenv.mkDerivation rec {
   passthru = {
     updateScript = writeScript "update-slang" ''
       #!/usr/bin/env nix-shell
-      #!nix-shell -i bash -p curl pcre common-updater-scripts
+      #!nix-shell -i bash -p curl pcre2 common-updater-scripts
 
       set -eu -o pipefail
 
       # Expect the text in format of 'Version 2.3.3</td>'
       new_version="$(curl -s https://www.jedsoft.org/slang/ |
-          pcregrep -o1 'Version ([0-9.]+)</td>')"
+          pcre2grep -o1 'Version ([0-9.]+)</td>')"
       update-source-version ${pname} "$new_version"
     '';
   };