Update deps

Download source improvements

 - `DownloadLinkFetcher` API changes.
 - Supports fetching sha256 hashes from releases.json files.
 - Download source changes from `windows.php.net` to `downloads.php.net`

Keywords: fine-tune class::method() highlighting

Update keyword-highlighting rules

Update keyword-highlighting rules

Add new and adjust existing keyword highlighting rules

Update and bump dependencies

Keywords: improve class method detection to allow numbers in the clas…

…s name

Keywords: enhancements

Keywords: class magic methods