PHP Unit package update

Author: uttamukkoji

.talismanrc

@@ -1,3 +1,5 @@
 fileignoreconfig:
+- filename: composer.lock
+  checksum: 3e19a34da8e50af426a1b648f3fb067592c3df08274fa553b7204fd4d326e1df
 - filename: README.md
   allowed_patterns: [API_KEY, DELIVERY_TOKEN, ENVIRONMENT, Contentstack::]

composer.json

@@ -26,8 +26,8 @@
         "marc-mabe/php-enum": "^4.7.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^9.0",
-        "phpunit/php-code-coverage": "^8.0",
+        "phpunit/phpunit": "^9.3",
+        "phpunit/php-code-coverage": "^9.0",
         "squizlabs/php_codesniffer": "^3.0"
     },
     "autoload": {