Fixing composer dependencies to make it work with composer 2

Author: GregW

composer.json

@@ -17,7 +17,7 @@
     "squizlabs/php_codesniffer": "3.*",
     "wp-coding-standards/wpcs": "*",
     "otgs/toolset-coding-standards": "dev-master",
-    "dealerdirect/phpcodesniffer-composer-installer": "^0.4.4",
+    "dealerdirect/phpcodesniffer-composer-installer": "1.0.0",
     "sebastian/diff": "^3.0",
     "ulrichsg/getopt-php": "3.2.1",
     "slowprog/composer-copy-file": "~0.2",
@@ -50,5 +50,10 @@
       "vendor/automattic/phpcs-neutron-standard/NeutronStandard": "standards/NeutronStandard"
     }
   },
-  "minimum-stability": "dev"
+  "minimum-stability": "dev",
+  "config": {
+    "allow-plugins": {
+      "dealerdirect/phpcodesniffer-composer-installer": true
+    }
+  }
 }