Ensures compatibility with symfony/console 8

Signed-off-by: Mior Muhammad Zaki <crynobone@gmail.com>

Author: crynobone

src/Commands/GeneratorCommand.php

@@ -18,7 +18,7 @@ abstract class GeneratorCommand extends Command implements GeneratesCode
 
     /** {@inheritDoc} */
     #[\Override]
-    protected function configure()
+    protected function configure(): void
     {
         parent::configure();
 

src/Commands/MigrationGeneratorCommand.php

@@ -15,7 +15,7 @@ abstract class MigrationGeneratorCommand extends Command
 
     /** {@inheritDoc} */
     #[\Override]
-    protected function configure()
+    protected function configure(): void
     {
         parent::configure();