Update PHP requirements for travis ci

RyseSlade · RyseSlade · commit f33ddaa2760a · 2021-01-10T19:17:48.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,6 @@
 language: php
 php:
-  - 7.3.0
+  - 7.4.9
 before_script:
   - composer install --no-interaction
 script:
