build(deps): bump guzzlehttp/psr7 from 2.10.1 to 2.10.3 in /php

Bumps [guzzlehttp/psr7](https://github.com/guzzle/psr7) from 2.10.1 to 2.10.3.
- [Release notes](https://github.com/guzzle/psr7/releases)
- [Changelog](https://github.com/guzzle/psr7/blob/2.10/CHANGELOG.md)
- [Commits](https://github.com/guzzle/psr7/compare/2.10.1...2.10.3)

---
updated-dependencies:
- dependency-name: guzzlehttp/psr7
  dependency-version: 2.10.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

php/composer.lock

@@ -274,16 +274,16 @@
         },
         {
             "name": "guzzlehttp/psr7",
-            "version": "2.10.1",
+            "version": "2.10.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/psr7.git",
-                "reference": "73ab136360b5dfd858006eae9795e8fe43c80361"
+                "reference": "7c1472269227dc6f18930bd903d7a88fe6c52130"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/psr7/zipball/73ab136360b5dfd858006eae9795e8fe43c80361",
-                "reference": "73ab136360b5dfd858006eae9795e8fe43c80361",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/7c1472269227dc6f18930bd903d7a88fe6c52130",
+                "reference": "7c1472269227dc6f18930bd903d7a88fe6c52130",
                 "shasum": ""
             },
             "require": {
@@ -371,7 +371,7 @@
             ],
             "support": {
                 "issues": "https://github.com/guzzle/psr7/issues",
-                "source": "https://github.com/guzzle/psr7/tree/2.10.1"
+                "source": "https://github.com/guzzle/psr7/tree/2.10.3"
             },
             "funding": [
                 {
@@ -387,7 +387,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2026-05-20T09:27:36+00:00"
+            "time": "2026-05-27T11:48:20+00:00"
         },
         {
             "name": "http-interop/http-factory-guzzle",