build(deps): bump guzzlehttp/psr7 from 2.8.1 to 2.9.0 in /php

Bumps [guzzlehttp/psr7](https://github.com/guzzle/psr7) from 2.8.1 to 2.9.0.
- [Release notes](https://github.com/guzzle/psr7/releases)
- [Changelog](https://github.com/guzzle/psr7/blob/2.9/CHANGELOG.md)
- [Commits](https://github.com/guzzle/psr7/compare/2.8.1...2.9.0)

---
updated-dependencies:
- dependency-name: guzzlehttp/psr7
  dependency-version: 2.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

php/composer.lock

@@ -273,16 +273,16 @@
         },
         {
             "name": "guzzlehttp/psr7",
-            "version": "2.8.1",
+            "version": "2.9.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/psr7.git",
-                "reference": "718f1ee6a878be5290af3557aeda0c91278361d9"
+                "reference": "7d0ed42f28e42d61352a7a79de682e5e67fec884"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/psr7/zipball/718f1ee6a878be5290af3557aeda0c91278361d9",
-                "reference": "718f1ee6a878be5290af3557aeda0c91278361d9",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/7d0ed42f28e42d61352a7a79de682e5e67fec884",
+                "reference": "7d0ed42f28e42d61352a7a79de682e5e67fec884",
                 "shasum": ""
             },
             "require": {
@@ -298,6 +298,7 @@
             "require-dev": {
                 "bamarni/composer-bin-plugin": "^1.8.2",
                 "http-interop/http-factory-tests": "0.9.0",
+                "jshttp/mime-db": "1.54.0.1",
                 "phpunit/phpunit": "^8.5.44 || ^9.6.25"
             },
             "suggest": {
@@ -369,7 +370,7 @@
             ],
             "support": {
                 "issues": "https://github.com/guzzle/psr7/issues",
-                "source": "https://github.com/guzzle/psr7/tree/2.8.1"
+                "source": "https://github.com/guzzle/psr7/tree/2.9.0"
             },
             "funding": [
                 {
@@ -385,7 +386,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2026-03-10T09:55:26+00:00"
+            "time": "2026-03-10T16:41:02+00:00"
         },
         {
             "name": "http-interop/http-factory-guzzle",