refactor: packagist use semver composer

lib/datasource/packagist.js

 const URL = require('url');
 const got = require('got');
 const parse = require('github-url-from-git');
-const { isVersion, sortVersions } = require('../versioning')('semver');
+const { isVersion, sortVersions } = require('../versioning')('semverComposer');
 
 module.exports = {
   getDependency,