Composer update

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

vendor/aws/aws-sdk-php/.changes/3.67.11

@@ -0,0 +1,27 @@
+[
+    {
+        "type": "api-change",
+        "category": "Connect",
+        "description": "This update adds the Amazon Connect Update Contact Attributes API, which lets you update contact attributes for contacts in your Amazon Connect instance."
+    },
+    {
+        "type": "api-change",
+        "category": "EC2",
+        "description": "Pagination Support for DescribeNetworkInterfaces API"
+    },
+    {
+        "type": "enhancement",
+        "category": "SES",
+        "description": "Documentation updates for Amazon Simple Email Service"
+    },
+    {
+        "type": "api-change",
+        "category": "FMS",
+        "description": "This update of Amazon Fire Wall Manager adds the ability to scope down the policy as well as to get all the member accounts belonging to a certain Fire Wall Manager admin account."
+    },
+    {
+        "type": "enhancement",
+        "category": "S3",
+        "description": "Support for S3Select in the AWS SDK for PHP."
+    }
+]