Bump ringcentral/psr7

Author: nbayramberdiyev

composer.json

@@ -22,7 +22,7 @@
         "guzzlehttp/psr7": "^2.4",
         "laminas/laminas-diactoros": "^2.22",
         "nyholm/psr7": "^1.5",
-        "ringcentral/psr7": "^1.2",
+        "ringcentral/psr7": "^1.3",
         "slim/psr7": "dev-master"
     },
     "extra": {