support php 7.4

manifests/scl/php74.pp

+# manage an scl php74 installation
+class php::scl::php74(
+  $timezone         = $php::scl::params::timezone,
+  $settings         = $php::scl::params::settings,
+) inherits php::scl::params {
+  $basedir  = '/opt/remi/php74'
+  $etcdir   = '/etc/opt/remi/php74'
+  $scl_name = 'php74'
+  php::scl::phpx{'74':
+    etcdir           => $etcdir,
+    timezone         => $timezone,
+    settings         => $settings,
+    suhosin_settings => false, # gone with >= php7
+  } -> php::snuffleupagus::base{
+    '74':
+      etcdir => $etcdir,
+  }
+}