tweak: return rather than exit

Author: g105b

composer.json

@@ -7,7 +7,7 @@
 		"php": ">=8.3",
 		"ext-PDO": "*",
 		"phpgt/config": "^v1.1.0",
-		"phpgt/cli": "^1.3",
+		"phpgt/cli": "^1.4",
 		"greenlion/php-sql-parser": "^4.6",
 		"phpgt/sqlbuilder": "^1.0.1"
 	},

composer.lock

@@ -12,7 +12,7 @@
 use Gt\Database\StatementPreparationException;
 
 class ExecuteCommand extends Command {
-	public function run(?ArgumentValueList $arguments = null):void {
+	public function run(?ArgumentValueList $arguments = null):int {
 		$repoBasePath = getcwd();
 		$defaultPath = $this->getDefaultPath($repoBasePath);
 		$config = $this->getConfig($repoBasePath, $defaultPath);
@@ -38,6 +38,7 @@ public function run(?ArgumentValueList $arguments = null):void {
 		$runFrom = $this->calculateResetNumber($arguments, $migrationFileList, $migrator, $migrationCount);
 
 		$this->executeMigrations($migrator, $migrationFileList, $runFrom);
+		return 0;
 	}
 
 	/** Determine whether the --force flag was provided. */