update major version of slevomat/coding-standard

Author: DanielBadura

composer.json

@@ -29,7 +29,7 @@
     "require": {
         "php": "^7.4 || ^8.0",
         "dealerdirect/phpcodesniffer-composer-installer": "^0.7.1",
-        "slevomat/coding-standard": "^6.4.1",
+        "slevomat/coding-standard": "^7.0.10",
         "squizlabs/php_codesniffer": "^3.6.0"
     },
     "config": {