Add tests for php 8.0 & 8.1

LKaemmerling · web-flow · commit 9d1293d0335d · 2022-03-30T17:19:05.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -4,6 +4,8 @@ php:
   - 7.1
   - 7.2
   - 7.3
+  - 8.0
+  - 8.1
 
 install:
   - travis_retry composer install --no-interaction --prefer-source
