[PHP]: Update dg/bypass-finals requirement in /vendor-bin/phpunit

Updates the requirements on [dg/bypass-finals](https://github.com/dg/bypass-finals) to permit the latest version.
- [Release notes](https://github.com/dg/bypass-finals/releases)
- [Commits](dg/bypass-finals@v1.5.0...v1.6.0)

---
updated-dependencies:
- dependency-name: dg/bypass-finals
  dependency-type: direct:development
...

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

vendor-bin/phpunit/composer.json

@@ -1,6 +1,6 @@
 {
     "require-dev": {
-        "dg/bypass-finals": "^1.5",
+        "dg/bypass-finals": "^1.6",
         "phpunit/phpunit": "9.6.16",
         "symfony/phpunit-bridge": "7.0.3",
         "vimeo/psalm": "5.21.1",