build(deps): update amphp/amp requirement from ^2.5 to ^2.5 || ^3.0

Updates the requirements on [amphp/amp](https://github.com/amphp/amp) to permit the latest version.
- [Release notes](https://github.com/amphp/amp/releases)
- [Changelog](https://github.com/amphp/amp/blob/3.x/CHANGELOG.md)
- [Commits](amphp/amp@v2.5.0...v3.0.2)

---
updated-dependencies:
- dependency-name: amphp/amp
  dependency-type: direct:production
...

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

composer.json

@@ -41,7 +41,7 @@
     "name": "glesys/butler-graphql",
     "require": {
         "php": "^8.2",
-        "amphp/amp": "^2.5",
+        "amphp/amp": "^2.5 || ^3.0",
         "illuminate/support": "^11.0",
         "webonyx/graphql-php": "^14.3.0"
     },