build(deps-dev): update guzzlehttp/guzzle requirement

Updates the requirements on [guzzlehttp/guzzle](https://github.com/guzzle/guzzle) to permit the latest version.

Updates `guzzlehttp/guzzle` to 7.10.0
- [Release notes](https://github.com/guzzle/guzzle/releases)
- [Changelog](https://github.com/guzzle/guzzle/blob/7.10/CHANGELOG.md)
- [Commits](guzzle/guzzle@7.9.0...7.10.0)

---
updated-dependencies:
- dependency-name: guzzlehttp/guzzle
  dependency-version: 7.10.0
  dependency-type: direct:development
  dependency-group: dev-dependencies
...

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

Author: dependabot[bot]

composer.json

@@ -32,7 +32,7 @@
     "ext-json": "*"
   },
   "require-dev": {
-    "guzzlehttp/guzzle": "^7.9",
+    "guzzlehttp/guzzle": "^7.10",
     "mikey179/vfsstream": "^1.6",
     "pcov/clobber": "^2.0",
     "phpunit/phpunit": "^9.5.27",