feat: update guzzle to version 7

feat: update guzzle to version 7

Author: c0nst4ntin

composer.json

@@ -24,7 +24,7 @@
         "ext-curl": "*",
         "ext-json": "*",
         "ext-mbstring": "*",
-        "guzzlehttp/guzzle": "^6.3"
+        "guzzlehttp/guzzle": "^7.5"
     },
     "require-dev": {
         "phpspec/prophecy": "^1.15",