Issue #25: Bumped psr/http-message to ^1.0 || ^2.0

Signed-off-by: alexmerlin <alex.merlin.1985@gmail.com>

Author: alexmerlin

composer.json

@@ -31,7 +31,7 @@
         "laminas/laminas-diactoros": "^2.25.2",
         "laminas/laminas-stratigility": "^3.10.0",
         "mezzio/mezzio": "^3.17.0",
-        "psr/http-message": "^1.1",
+        "psr/http-message": "^1.0 || ^2.0",
         "psr/http-server-middleware": "^1.0.2",
         "psr/container": "^1.1.2"
     },