Drop guzzlehttp/psr7 1.8.4

Author: cleptric

composer.json

@@ -13,7 +13,7 @@
     ],
     "require": {
         "php": "^7.2||^8.0",
-        "guzzlehttp/psr7": "^1.8.4||^2.1.1",
+        "guzzlehttp/psr7": "^2.1.1",
         "jean85/pretty-package-versions": "^1.5||^2.0",
         "sentry/sentry": "^4.6",
         "symfony/cache-contracts": "^1.1||^2.4||^3.0",