composer(deps-dev): bump phpunit/phpunit from 11.3.0 to 11.3.1

Bumps [phpunit/phpunit](https://github.com/sebastianbergmann/phpunit) from 11.3.0 to 11.3.1.
- [Release notes](https://github.com/sebastianbergmann/phpunit/releases)
- [Changelog](https://github.com/sebastianbergmann/phpunit/blob/11.3.1/ChangeLog-11.3.md)
- [Commits](sebastianbergmann/phpunit@11.3.0...11.3.1)

---
updated-dependencies:
- dependency-name: phpunit/phpunit
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

composer.json

@@ -13,7 +13,7 @@
     "require-dev": {
         "ext-curl": "*",
         "friendsofphp/php-cs-fixer": "^3.62.0",
-        "phpunit/phpunit": "^11.3.0"
+        "phpunit/phpunit": "^11.3.1"
     },
     "autoload": {
         "psr-4": {