Upgrade phpunix (#77)

* Upgrade phpunit

Author: exussum12

.github/workflows/ci.yaml

@@ -8,7 +8,7 @@ jobs:
     strategy:
       matrix:
         operating-system: ['ubuntu-latest', 'windows-latest', 'macOS-latest']
-        php-version: ['7.1', '7.2', '7.3', '7.4', '8.0']
+        php-version: ['7.1', '7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3']
     name: PHP ${{ matrix.php-version }} Test on ${{ matrix.operating-system }}
     steps:
       - name: Checkout code
@@ -30,4 +30,4 @@ jobs:
       - name: Install phpmd
         run: composer global require phpmd/phpmd
       - name: Run the build
-        run: ./build.sh
+        run: ./build.sh

composer.json

@@ -2,7 +2,7 @@
     "name": "exussum12/coverage-checker",
     "description": "Allows checking the code coverage of a single pull request",
     "require-dev": {
-        "phpunit/phpunit": "^6.5 || ^7.0 || ^8.0 || ^9.0"
+        "phpunit/phpunit": "^6.5 || ^7.0 || ^8.0 || ^9.0 || ^10.0 || ^11.0"
     },
     "license": "MIT",
     "authors": [