chore(schema-manager): fix OpenAPI title

apps/schema-manager/src/main.ts

@@ -26,8 +26,8 @@ app.enableVersioning({
 });
 
 const swaggerConfig = new DocumentBuilder()
-  .setTitle('Gaia-X OCM Credential Manager API')
-  .setDescription('API documentation for Gaia-X OCM Credential Manager')
+  .setTitle('Gaia-X OCM Schema Manager API')
+  .setDescription('API documentation for Gaia-X OCM Schema Manager')
   .setVersion('1.0')
   .build();