Fix - scrutinizer and travis configuration files

Author: elcheco

.scrutinizer.yml

@@ -4,7 +4,7 @@ checks:
 build:
     environment:
         php:
-            version: 7.1
+            version: 7.2
         variables:
             NETTE: default
 

.travis.yml

@@ -2,11 +2,11 @@ language: php
 
 env:
   - NETTE=default
-  - NETTE=~2.4.0
+  - NETTE=~3.0.0
 
 php:
-  - 7.1
   - 7.2
+  - 7.3
 
 before_install:
   - composer self-update