Chore(deps-dev): Bump guzzlehttp/guzzle in /tests/integration

Bumps [guzzlehttp/guzzle](https://github.com/guzzle/guzzle) from 7.12.1 to 7.12.3.
- [Release notes](https://github.com/guzzle/guzzle/releases)
- [Changelog](https://github.com/guzzle/guzzle/blob/7.13/CHANGELOG.md)
- [Commits](guzzle/guzzle@7.12.1...7.12.3)

---
updated-dependencies:
- dependency-name: guzzlehttp/guzzle
  dependency-version: 7.12.3
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

tests/integration/composer.json

@@ -2,7 +2,7 @@
     "require-dev": {
         "phpunit/phpunit": "~13",
         "behat/behat": "~3.32.0",
-        "guzzlehttp/guzzle": "7.12.1",
+        "guzzlehttp/guzzle": "7.12.3",
         "jarnaiz/behat-junit-formatter": "^1.3",
         "sabre/dav": "4.7.0",
         "symfony/event-dispatcher": "~5.4"