feat: refactor

composer.json

@@ -20,7 +20,7 @@
     "config": {
         "sort-packages": true,
         "platform": {
-            "php": "7.3"
+            "php": "7.4"
         },
         "allow-plugins": {
             "dealerdirect/phpcodesniffer-composer-installer": true,
@@ -29,7 +29,7 @@
         }
     },
     "require": {
-        "php": ">=7.3",
+        "php": ">=7.4",
         "psr/log": "^1.1.0",
         "wpdesk/wp-persistence": "^3.0",
         "wpdesk/wp-view": "^2.0",
@@ -41,7 +41,7 @@
     "require-dev": {
         "10up/wp_mock": "*",
         "mockery/mockery": "*",
-        "phpunit/phpunit": "<7"
+        "phpunit/phpunit": "^9"
     },
     "autoload": {
         "psr-4": {