Run tests on PHP 7.3

Author: JaZo

.scrutinizer.yml

@@ -20,7 +20,7 @@ checks:
 tools:
   external_code_coverage:
     timeout: 600
-    runs: 3
+    runs: 4
 
 build:
   nodes:

.travis.yml

@@ -5,6 +5,7 @@ php:
   - 7.0
   - 7.1
   - 7.2
+  - 7.3
 
 # This triggers builds to run on the new TravisCI infrastructure.
 # See: http://docs.travis-ci.com/user/workers/container-based-infrastructure/