Update to require PHP 8.0 (#270)

Author: ben-challis

.github/workflows/ci.yml

@@ -18,7 +18,6 @@ jobs:
           - "highest"
           - "locked"
         php-version:
-          - "7.4"
           - "8.0"
           - "8.1"
         operating-system:

.php-cs-fixer.php

@@ -12,6 +12,7 @@
         '@PHP71Migration' => true,
         '@PHP73Migration' => true,
         '@PHP74Migration' => true,
+        '@PHP80Migration' => true,
         '@DoctrineAnnotation' => true,
         'align_multiline_comment' => true,
         'array_indentation' => true,

composer.json

@@ -20,11 +20,11 @@
     }
   },
   "require": {
-    "php": ">=7.4.0,<8.2.0",
+    "php": "~8.0",
     "ext-json": "*"
   },
   "require-dev": {
-    "infection/infection": "^0.26.6",
+    "infection/infection": "^0.26.16",
     "php-cs-fixer/shim": "^3.13",
     "php-parallel-lint/php-parallel-lint": "^1.3.2",
     "phpstan/phpstan": "^1.8.4",
@@ -38,7 +38,7 @@
     "bin-dir": "bin",
     "sort-packages": true,
     "platform": {
-      "php": "7.4.29"
+      "php": "8.0.26"
     },
     "allow-plugins": {
       "infection/extension-installer": true
@@ -60,7 +60,7 @@
       "@lint:php"
     ],
     "phpstan": [
-      "phpstan analyse --memory-limit=-1 src/ tests/ --ansi --no-progress"
+      "phpstan analyse --memory-limit=-1 src/ tests/ rector.php --ansi --no-progress"
     ],
     "rector:check": [
       "rector --dry-run --ansi --no-progress-bar"