Update pestphp/pest requirement from ^0.1.5 to ^0.2.2

Updates the requirements on pestphp/pest to permit the latest version.

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

composer.json

@@ -19,7 +19,7 @@
         "php": "^7.1"
     },
     "require-dev": {
-        "pestphp/pest": "^0.1.5"
+        "pestphp/pest": "^0.2.2"
     },
     "config": {
         "sort-packages": true