terraform-docs: automated action

Author: github-actions[bot]

README.md

@@ -86,6 +86,8 @@ aws ssm put-parameter --name "/rds/POSTGRES_DB_NAME" --value "value" --type "Sec
 | <a name="input_multi_az"></a> [multi\_az](#input\_multi\_az) | Specifies if the RDS instance is multi-AZ | `bool` | `false` | no |
 | <a name="input_performance_insights_enabled"></a> [performance\_insights\_enabled](#input\_performance\_insights\_enabled) | Whether to enable performance insights | `bool` | `true` | no |
 | <a name="input_performance_insights_retention_period"></a> [performance\_insights\_retention\_period](#input\_performance\_insights\_retention\_period) | The retention period for performance insights | `number` | `7` | no |
+| <a name="input_postgres_engine_version"></a> [postgres\_engine\_version](#input\_postgres\_engine\_version) | PostgreSQL engine version for the RDS instance (e.g., 15.4, 16.3). Defaults to latest supported. | `number` | `16.3` | no |
+| <a name="input_postgres_major_engine_version"></a> [postgres\_major\_engine\_version](#input\_postgres\_major\_engine\_version) | Major PostgreSQL engine version (e.g., 15, 16). Used for parameter group family naming. | `number` | `16` | no |
 | <a name="input_private_subnet_ids"></a> [private\_subnet\_ids](#input\_private\_subnet\_ids) | List of private subnet IDs for database and Kong ECS deployment | `list(string)` | n/a | yes |
 | <a name="input_public_subnet_ids"></a> [public\_subnet\_ids](#input\_public\_subnet\_ids) | List of public subnet IDs for public-facing load balancers | `list(string)` | n/a | yes |
 | <a name="input_rds_db_tags"></a> [rds\_db\_tags](#input\_rds\_db\_tags) | List of tags | `map(string)` | `{}` | no |