Bump min PHP version to 8.1

Author: AydinHassan

.github/workflows/test.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php: ['7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3', '8.4']
+        php: ['8.1', '8.2', '8.3', '8.4']
 
     name: PHP ${{ matrix.php }}
 

composer.json

@@ -14,12 +14,12 @@
         }
     ],
     "require-dev": {
-        "phpunit/phpunit": "^8.0 | ^9.0",
+        "phpunit/phpunit": "^9.0",
         "squizlabs/php_codesniffer": "^3.2",
         "phpstan/phpstan": "^1.2.0"
     },
     "require": {
-        "php" : ">=7.1",
+        "php" : ">=8.1",
         "beberlei/assert": "^2.4 | ^3",
         "php-school/terminal": "^0.2.1",
         "ext-posix": "*",