Update packages.

Author: kagg-design

composer.json

@@ -3,12 +3,17 @@
   "description": "WPForms Coding Standards",
   "type": "phpcodesniffer-standard",
   "license": "GPL-2.0-or-later",
+  "config": {
+    "allow-plugins": {
+      "dealerdirect/phpcodesniffer-composer-installer": true
+    }
+  },
   "require": {
     "php": "5.6 - 7.4",
     "phpcompatibility/php-compatibility": "^9.3",
-    "squizlabs/php_codesniffer": "^3.5",
+    "squizlabs/php_codesniffer": "^3.7",
     "wp-coding-standards/wpcs": "^2.3",
-    "dealerdirect/phpcodesniffer-composer-installer": "^0.7.1"
+    "dealerdirect/phpcodesniffer-composer-installer": "^v0.7"
   },
   "require-dev": {
     "phpunit/phpunit": "5.7 - 7.5"