Update phpdocumentor/reflection-docblock requirement || ^5.0

Updates the requirements on [phpdocumentor/reflection-docblock](https://github.com/phpDocumentor/ReflectionDocBlock) to permit the latest version.
- [Release notes](https://github.com/phpDocumentor/ReflectionDocBlock/releases)
- [Commits](phpDocumentor/ReflectionDocBlock@4.3.0...5.0.0)

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

Author: dependabot-preview[bot]

composer.json

@@ -17,7 +17,7 @@
         "doctrine/cache": "^1.8",
         "thecodingmachine/class-explorer": "^1.1.0",
         "psr/simple-cache": "^1",
-        "phpdocumentor/reflection-docblock": "^4.3",
+        "phpdocumentor/reflection-docblock": "^4.3 || ^5.0",
         "phpdocumentor/type-resolver": "^1.0.1",
         "psr/http-message": "^1",
         "ecodev/graphql-upload": "^4.0",