Remove composer config for plugins, added unintentionally

Merge pull request #107 from Seldaek/patch-1

Use the correct packagist.org domain for metadata routes

Merge pull request #104 from tacman/php8.4

fix nullable declaration for php 8.4

Merge pull request #98 from robbieaverill/add-some-new-properties

Add new properties to Package, Version, and Maintainer

Merge pull request #96 from robbieaverill/do-not-set-missing-properties

Unknown properties from the Packagist API are no longer set on AbstractResult

Merge pull request #89 from garak/check-types

Check types

Merge pull request #87 from Sebobo/patch-1

Fix access error in Maintainer