chore: drop php 7.2 support, add php 8.0

kenjis · kenjis · commit 7226bee5cf57 · 2021-02-03T14:43:25.000+09:00
diff --git a/composer.json b/composer.json
@@ -12,7 +12,7 @@
         }
     ],
     "require": {
-        "php": "^7.2"
+        "php": "^7.3||^8.0",
         "phpunit/phpunit": "^9.5"
     },
     "require-dev": {
