Log Message:
Update to 3.49. From the changelog:

 - fixed more problems with syntax test indicators reporting wrong states
   (https://gitlab.com/saalen/highlight/issues/102)
 - added support for Meson, Solidity, TOML and Terraform
 - improved Perl and Yaml highlighting
 - added Categories field to all config files
 - CLI: added category info in --list-scripts output
 - CLI: added --list-cat option (https://gitlab.com/saalen/highlight/issues/99)
 - CLI: added optional topic parameter to --help
 - GUI: added theme category selection
 - GUI: display categories of selected syntax or theme