Merge pull request #3200 from slimphp/dependabot/composer/phpstan/phpstan-tw-1.7

Update phpstan/phpstan requirement from ^1.6 to ^1.7

Author: l0gicgate

composer.json

@@ -64,7 +64,7 @@
         "nyholm/psr7-server": "^1.0",
         "phpspec/prophecy": "^1.15",
         "phpspec/prophecy-phpunit": "^2.0",
-        "phpstan/phpstan": "^1.6",
+        "phpstan/phpstan": "^1.7",
         "phpunit/phpunit": "^9.5",
         "slim/http": "^1.2",
         "slim/psr7": "^1.5",