Composer update

* updated Laravel to v5.6.38
* Added laravel tinker in dev dependencies

vendor/bin/np

@@ -1,10 +0,0 @@
-#!/usr/bin/env sh
-
-dir=$(cd "${0%[/\\]*}" > /dev/null; cd "../sly/notification-pusher" && pwd)
-
-if [ -d /proc/cygdrive ] && [[ $(which php) == $(readlink -n /proc/cygdrive)/* ]]; then
-   # We are in Cgywin using Windows php, so the path must be translated
-   dir=$(cygpath -m "$dir");
-fi
-
-"${dir}/np" "$@"

vendor/bin/np

@@ -0,0 +1 @@
+../sly/notification-pusher/np