[BUGFIX] Fix wrong file for the php settings

recipes/default.rb

@@ -88,7 +88,7 @@ end
 
 if node['platform_version'] == '16.04'
 	replace_or_add 'change sendmail in the apache2 php configuration for mailcatcher' do
-		path '/etc/php/7.0/fpm/php.ini'
+		path '/etc/php/7.0/apache2/php.ini'
 		pattern '.*sendmail_path =.*'
 		line 'sendmail_path = "/usr/bin/env catchmail"'
 	end