chore(deps-dev): Bump phpunit/phpunit from 10.5.63 to 13.1.13

Bumps [phpunit/phpunit](https://github.com/sebastianbergmann/phpunit) from 10.5.63 to 13.1.13.
- [Release notes](https://github.com/sebastianbergmann/phpunit/releases)
- [Changelog](https://github.com/sebastianbergmann/phpunit/blob/13.1.13/ChangeLog-13.1.md)
- [Commits](sebastianbergmann/phpunit@10.5.63...13.1.13)

---
updated-dependencies:
- dependency-name: phpunit/phpunit
  dependency-version: 13.1.13
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

composer.json

@@ -8,7 +8,7 @@
 		"issues": "https://github.com/libresign/wordpress-login/issues"
 	},
 	"require-dev": {
-		"phpunit/phpunit": "^10.5"
+		"phpunit/phpunit": "^13.1"
 	},
 	"autoload": {
 		"psr-4": {