Add Conan to list of managers

doc/api/dependencies.md

@@ -31,7 +31,7 @@ GET /projects/:id/dependencies?package_manager=yarn,bundler
 | Attribute     | Type           | Required | Description                                                                                                                                                                 |
 | ------------- | -------------- | -------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | `id`          | integer/string | yes      | The ID or [URL-encoded path of the project](index.md#namespaced-path-encoding).                                                            |
-| `package_manager` | string array   | no       | Returns dependencies belonging to specified package manager. Valid values: `bundler`, `composer`, `maven`, `npm`, `pip` or `yarn`.                                   |
+| `package_manager` | string array   | no       | Returns dependencies belonging to specified package manager. Valid values: `bundler`, `composer`, `conan`, `maven`, `npm`, `pip` or `yarn`.                                   |
 
 ```shell
 curl --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/4/dependencies"