Update tests.yml

Author: mrcrmn

.github/workflows/tests.yml

@@ -9,7 +9,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        php: [7.2, 7.3, 7.4, 8.0]
+        php: [7.2, 7.3, 7.4]
         laravel: [5.8, 6.*, 7.*, 8.*]
         dependency-version: [prefer-lowest, prefer-stable]
         include: