Merge branch 'fix/body-raw' into 'master'

fix: tests

See merge request !12

composer.json

@@ -7,12 +7,12 @@
     }
   ],
   "require": {
-    "php": ">=5.5",
+    "php": ">=7.2 | ^8",
     "ext-curl": "*",
     "ext-json": "*"
   },
   "require-dev": {
-    "phpunit/phpunit": "<7",
+    "phpunit/phpunit": "^8 || ^9",
     "wp-coding-standards/wpcs": "^0.14.1",
     "squizlabs/php_codesniffer": "^3.0.2",
     "mockery/mockery": "*",