composer(deps): update laminas/laminas-diactoros requirement

Updates the requirements on [laminas/laminas-diactoros](https://github.com/laminas/laminas-diactoros) to permit the latest version.
- [Release notes](https://github.com/laminas/laminas-diactoros/releases)
- [Commits](laminas/laminas-diactoros@3.0.0...3.1.0)

---
updated-dependencies:
- dependency-name: laminas/laminas-diactoros
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

composer.json

@@ -19,7 +19,7 @@
     "php": "^8.1.0",
     "ext-json": "*",
     "ext-mbstring": "*",
-    "laminas/laminas-diactoros": "^3.0.0",
+    "laminas/laminas-diactoros": "^3.1.0",
     "psr/http-message": "^1.1 || ^2.0"
   },
   "require-dev": {