Add stability to matrix

Author: dmitry-ivanov

.github/workflows/tests.yml

@@ -9,8 +9,9 @@ jobs:
       fail-fast: false
       matrix:
         php: [7.3, 7.4, 8.0]
+        stability: [prefer-lowest, prefer-stable]
 
-    name: PHP ${{ matrix.php }}
+    name: PHP ${{ matrix.php }} (--${{ matrix.stability }})
 
     steps:
       - name: Checkout code
@@ -33,7 +34,7 @@ jobs:
         with:
           timeout_minutes: 5
           max_attempts: 5
-          command: composer update --prefer-dist --prefer-stable --no-interaction --no-progress --ansi
+          command: composer update --prefer-dist --${{ matrix.stability }} --no-interaction --no-progress --ansi
 
       - name: Run tests
         run: vendor/bin/phpunit --verbose --colors=always --coverage-clover ./build/logs/clover.xml

composer.json

@@ -15,10 +15,10 @@
         "php": "^7.3|^8.0",
         "illuminate/database": "^8.0",
         "illuminate/support": "^8.0",
-        "mockery/mockery": "^1.3.1"
+        "mockery/mockery": "^1.3.2"
     },
     "require-dev": {
-        "phpunit/phpunit": "^8.4|^9.0",
+        "phpunit/phpunit": "^9.3.3",
         "orchestra/testbench": "^6.0"
     },
     "autoload": {