Update .travis.yml

bupy7 · web-flow · commit 78e5119fa6cd · 2020-01-22T23:04:03.000+05:00
diff --git a/.travis.yml b/.travis.yml
@@ -5,6 +5,7 @@ php:
   - '7.0'
   - '7.1'
   - '7.2'
+  - '7.3'
   
 before_script:
   - composer install --no-interaction
