remove php7.4 support.

Author: smeghead

.github/workflows/php.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php-versions: ['7.4', '8.0', '8.1', '8.2']
+        php-versions: ['8.0', '8.1', '8.2']
     name: PHP ${{ matrix.php-versions }} Test
     steps:
     - uses: actions/checkout@v3

composer.json

@@ -3,7 +3,7 @@
     "description": "A CLI tool that parses the PHP source directory and outputs PlantUML scripts.",
     "type": "library",
     "require": {
-        "php" : ">=7.4",
+        "php" : ">=8.0",
         "symfony/finder": "^5.3",
         "nikic/php-parser": "^4.13"
     },