Merge pull request #3308 from slimphp/dependabot/composer/squizlabs/php_codesniffer-tw-3.8

Update squizlabs/php_codesniffer requirement from ^3.7 to ^3.8

Author: l0gicgate

composer.json

@@ -68,7 +68,7 @@
         "phpunit/phpunit": "^9.6",
         "slim/http": "^1.3",
         "slim/psr7": "^1.6",
-        "squizlabs/php_codesniffer": "^3.7"
+        "squizlabs/php_codesniffer": "^3.8"
     },
     "autoload": {
         "psr-4": {