Issue #3291780 by longwave, xjm: guzzlehttp/guzzle 6.5.8 requires guzzlehttp/psr7 ^1.9

Author: xjm

composer.json

@@ -14,9 +14,9 @@
         "doctrine/lexer": "~1.2.3",
         "doctrine/reflection": "~1.2.3",
         "egulias/email-validator": "~3.2",
-        "guzzlehttp/guzzle": "~6.5.7",
+        "guzzlehttp/guzzle": "~6.5.8",
         "guzzlehttp/promises": "~1.5.1",
-        "guzzlehttp/psr7": "~1.8.5",
+        "guzzlehttp/psr7": "~1.9.0",
         "laminas/laminas-diactoros": "~2.11.0",
         "laminas/laminas-escaper": "~2.9.0",
         "laminas/laminas-feed": "~2.17.0",