add typehint and parameter on extension load method

using both phpstyle and phpstan style typehints to make both phpstan and phpcs happy

Author: goetas

DependencyInjection/DoctrineMigrationsExtension.php

@@ -20,7 +20,7 @@ class DoctrineMigrationsExtension extends Extension
     /**
      * Responds to the migrations configuration parameter.
      *
-     * @param string[][] $configs
+     * @param string[][]|array<string, array<string, array<string, string>|string>>> $configs
      */
     public function load(array $configs, ContainerBuilder $container) : void
     {

Tests/DependencyInjection/DoctrineMigrationsExtensionTest.php

@@ -38,7 +38,7 @@ public function testForwardCompatibilityLayer() : void
                 'table_storage' => [
                     'table_name'                 => 'doctrine_migration_versions_test',
                     'version_column_name'        => 'doctrine_migration_column_test',
-                    'version_column_length'      => 2000,
+                    'version_column_length'      => '2000',
                     'executed_at_column_name'    => 'doctrine_migration_executed_at_column_test',
                 ],
             ],