Use PHP-CS-Fixer 2.16.4

Author: OskarStark

Dockerfile

@@ -9,7 +9,7 @@ LABEL "repository"="http://github.com/oskarstark/php-cs-fixer-ga"
 LABEL "homepage"="http://github.com/actions"
 LABEL "maintainer"="Oskar Stark <[email protected]>"
 
-RUN wget https://github.com/FriendsOfPHP/PHP-CS-Fixer/releases/download/v2.16.3/php-cs-fixer.phar -O php-cs-fixer \
+RUN wget https://github.com/FriendsOfPHP/PHP-CS-Fixer/releases/download/v2.16.4/php-cs-fixer.phar -O php-cs-fixer \
     && chmod a+x php-cs-fixer \
     && mv php-cs-fixer /usr/local/bin/php-cs-fixer