New features

[6b03342] Upgrade to Symfony 5.3 (@nicolas-grekas, @javiereguiluz) [b199d78] Allow PHP 8 and update dependencies (@rosier) [1155cce] Update to Webpack Encore 1.0 (@javiereguiluz) [9805936] Add Bosnian (bs) & Serbian (Latn & Cyrl) translation (@tambait)

Bug fixes

[ed27f44] Disable HTTP method override (@javiereguiluz) [f7876f6] Update highlight.js (@Kolbasyatin) [cd1c85b] Remove PHP 8 workarounds from CI (@derrabus) [c2eb071] Rename config file to .php-cs-fixer.dist.php for PHP CS Fixer v3 (@rosier)