Merge pull request #196 from slimphp/dependabot/composer/phpstan/phpstan-tw-1.7

Update phpstan/phpstan requirement from ^1.6 to ^1.7

Author: l0gicgate

composer.json

@@ -45,7 +45,7 @@
         "laminas/laminas-diactoros": "^2.9",
         "nyholm/psr7": "^1.5",
         "php-http/psr7-integration-tests": "dev-master",
-        "phpstan/phpstan": "^1.6",
+        "phpstan/phpstan": "^1.7",
         "phpunit/phpunit": "^9.5",
         "squizlabs/php_codesniffer": "^3.6"
     },