fixed travis:

- You are using the deprecated option "--no-suggest".
- phpunit/phpunit[9.5.0, ..., 9.5.2] require php >=7.3 -> your php version (7.2.15) does not satisfy that requirement.

Author: mixisLv

.travis.yml

@@ -1,15 +1,13 @@
 language: php
 
 php:
-  - 7.0
-  - 7.1
-  - 7.2
   - 7.3
+  - 7.4
 
 install:
-  - composer update --no-interaction --no-ansi --no-progress --no-suggest --optimize-autoloader --prefer-stable
+  - composer update --no-interaction --no-ansi --no-progress --optimize-autoloader --prefer-stable
 
 script: vendor/bin/phpunit
 
 notifications:
-  email: false
+  email: false