Update nikic/php-parser requirement from ^4.1 to ^4.1 || ^5.0

Updates the requirements on [nikic/php-parser](https://github.com/nikic/PHP-Parser) to permit the latest version.
- [Release notes](https://github.com/nikic/PHP-Parser/releases)
- [Changelog](https://github.com/nikic/PHP-Parser/blob/master/CHANGELOG.md)
- [Commits](nikic/PHP-Parser@v4.1.0...v5.1.0)

---
updated-dependencies:
- dependency-name: nikic/php-parser
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

composer.json

@@ -13,7 +13,7 @@
         "php": "^7.1 || ^8.0",
         "ext-json": "*",
         "ext-pinpoint_php": "^0.5.2",
-        "nikic/php-parser": "^4.1"
+        "nikic/php-parser": "^4.1 || ^5.0"
     },
     "autoload": {
         "psr-4": {
@@ -28,7 +28,7 @@
         "phpunit/phpunit": "^8",
         "phpbench/phpbench": "1.0.0",
         "ext-pinpoint_php": "^0.5.2",
-        "nikic/php-parser": "^4.1",
+        "nikic/php-parser": "^4.1 || ^5.0",
         "predis/predis": "^3.0@alpha",
         "guzzlehttp/guzzle": "8.0.x-dev",
         "mongodb/mongodb": "v1.19.x-dev"