[fix] helpers: composer not explaining why the hell it can't install shit

data/helpers.d/php

@@ -496,7 +496,7 @@ ynh_composer_exec() {
 
     COMPOSER_HOME="$workdir/.composer" COMPOSER_MEMORY_LIMIT=-1 \
         php${phpversion} "$workdir/composer.phar" $commands \
-        -d "$workdir" --quiet --no-interaction
+        -d "$workdir" --no-interaction --no-ansi 2>&1
 }
 
 # Install and initialize Composer in the given directory