Add definition 5.4.12 - #106
Add definition 5.4.12 - #106

Signed-off-by: Rogerio Prado de Jesus <2c195cbc93efbe99210d17024a1791a17497caa8@gmail.com>

stof/php-build,hirak/php-build,michael-berlin/php-build,stof/php-build,php-build/php-build,hnw/php-build,circleci/php-build,rogeriopradoj/php-build,gerardroche/php-build,0livier/php-build