Composer: upgrade psr7 to 2.4.3 and nette utils to 3.2.8

Author: f3l1x

composer.json

@@ -20,8 +20,8 @@
   ],
   "require": {
     "php": ">=7.2",
-    "guzzlehttp/psr7": "^1.7.0 || ^2.1.0",
-    "nette/utils": "^3.0.0"
+    "guzzlehttp/psr7": "^2.4.3",
+    "nette/utils": "^3.2.8"
   },
   "require-dev": {
     "nette/application": "^3.1.8",