test: update php versions

gauravmak · gauravmak · commit 0fdfb42df6be · 2020-09-12T16:42:04.000+05:30
diff --git a/.travis.yml b/.travis.yml
@@ -1,8 +1,8 @@
 language: php
 
 php:
-  - 7.2
   - 7.3
+  - 7.4
 
 before_script:
   - composer install --prefer-dist --no-interaction --no-suggest --optimize-autoloader
