Loosen codesniffer reqs (#26)

* Loosen codesniffer reqs

* Make 3.5.5 the min

* Require dev squizlabs/php_codesniffer

Author: kimpepper

composer.json

@@ -21,7 +21,8 @@
         "drupal/coder": "^8.3.12",
         "pear/console_table": "^1.3",
         "phpcompatibility/php-compatibility": "^9.3",
-        "phpunit/phpunit": "^8.5 || ^9.3"
+        "phpunit/phpunit": "^8.5 || ^9.3",
+        "squizlabs/php_codesniffer": "^3.5.8"
     },
     "autoload": {
         "psr-4": {
@@ -39,8 +40,5 @@
             "*": "dist"
         },
         "sort-packages": true
-    },
-    "conflict": {
-        "squizlabs/php_codesniffer": "<3.5.8"
     }
 }