another change "Class iMSCP\Composer\Plugin contains 2 abstract methods..."

Author: joximu

src/Plugin.php

@@ -13,4 +13,19 @@ public function activate(Composer $composer, IOInterface $io)
         $installer = new Installer($io, $composer);
         $composer->getInstallationManager()->addInstaller($installer);
     }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function deactivate(Composer $composer, IOInterface $io)
+    {
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function uninstall(Composer $composer, IOInterface $io)
+    {
+    }
+
 }