update scrutinizer config

Author: arkadiusjonczek

.scrutinizer.yml

@@ -1,18 +1,16 @@
+build:
+  nodes:
+    analysis:
+      tests:
+        override:
+          - php-scrutinizer-run
 filter:
-  paths: [lib/*]
-  excluded_paths: [vendor/*, tests/*]
+  excluded_paths:
+    - 'tests/*'
+    - 'vendor/*'
+checks:
+  php: true
 before_commands:
   - 'composer install --dev --prefer-source'
 tools:
-  external_code_coverage: true
-  php_mess_detector: true
-  php_code_sniffer: true
-  sensiolabs_security_checker: true
-  php_code_coverage: true
-  php_pdepend: true
-  php_loc:
-    enabled: true
-    excluded_dirs: [vendor, tests]
-  php_cpd:
-    enabled: true
-    excluded_dirs: [vendor, tests]
+  external_code_coverage: true