Test against php 8.1 (#51)

chore: started testing against PHP 8.1 on a normal basis

Author: Sergiy Petrov

.github/workflows/tests.yml

@@ -11,13 +11,9 @@ jobs:
         strategy:
             fail-fast: true
             matrix:
-                php: [7.3, 7.4, 8.0]
+                php: [7.3, 7.4, 8.0, 8.1]
                 stability: [prefer-lowest, prefer-stable]
                 experimental: [false]
-                include:
-                    - php: 8.1
-                      stability: prefer-stable
-                      experimental: true
 
         name: Tests on PHP ${{ matrix.php }} - ${{ matrix.stability }}
 

composer.json

@@ -19,7 +19,7 @@
     },
     "require-dev": {
         "mockery/mockery": "^1.2.0",
-        "phpunit/phpunit": "^8.5"
+        "phpunit/phpunit": "^8.5.21"
     },
     "autoload": {
         "psr-4": {