Update dependency psr/http-message to v2

| datasource | package          | from | to  |
| ---------- | ---------------- | ---- | --- |
| packagist  | psr/http-message | 1.1  | 2.0 |


Signed-off-by: Renovate Bot <[email protected]>

Author: renovate[bot]

composer.json

@@ -41,7 +41,7 @@
         "fig/http-message-util": "^1.1.2",
         "psr/container": "^1.0 || ^2.0",
         "psr/http-factory": "^1.0",
-        "psr/http-message": "^1.0",
+        "psr/http-message": "^1.0 || ^2.0",
         "psr/http-server-middleware": "^1.0",
         "spatie/array-to-xml": "^2.3 || ^3.0",
         "webmozart/assert": "^1.10",