ocamlPackages.pa_bench: 112.06.00 -> 113.00.00

Semi-automatic update generated by https://github.com/ryantm/nix-update tools. These checks were done:

- built on NixOS
- Warning: no binary found that responded to help or version flags. (This warning appears even if the package isn't expected to have binaries.)
- found 113.00.00 with grep in /nix/store/z75i3hc6a7yn9jciri3zwpzrzmcxfs9y-ocaml-pa_bench-113.00.00
- directory tree listing: https://gist.github.com/81cbcb6edb9964f7b33a8fd163ad6e30