Merge pull request #3267 from slimphp/dependabot/composer/nyholm/psr7-tw-1.8

Update nyholm/psr7 requirement from ^1.7 to ^1.8

Author: l0gicgate

composer.json

@@ -60,7 +60,7 @@
         "httpsoft/http-message": "^1.0",
         "httpsoft/http-server-request": "^1.0",
         "laminas/laminas-diactoros": "^2.17",
-        "nyholm/psr7": "^1.7",
+        "nyholm/psr7": "^1.8",
         "nyholm/psr7-server": "^1.0",
         "phpspec/prophecy": "^1.17",
         "phpspec/prophecy-phpunit": "^2.0",