Make sure we can use Guzzle 1 and 2 (#41)

Nyholm · web-flow · commit a8ae176003a8 · 2021-04-29T11:00:09.000+02:00
diff --git a/composer.json b/composer.json
@@ -10,7 +10,7 @@
         }
     ],
     "require": {
-        "guzzlehttp/psr7": "^2.0",
+        "guzzlehttp/psr7": "^1.8 || ^2.0",
         "psr/http-server-handler": "^1.0",
         "symfony/runtime": "^5.3"
     },
