docs: fix typo (#3651)

Author: serkef

docs/integrations/engines/gcp-postgres.md

@@ -14,7 +14,7 @@ pip install "sqlmesh[gcppostgres]"
 | ---------------------------- | ----------------------------------------------------------------------------------- | :-----: | :------: |
 | `type`                       | Engine type name - must be `gcp_postgres`                                           | string  |    Y     |
 | `instance_connection_string` | Connection name for the postgres instance                                           | string  |    Y     |
-| `user`                       | The username (posgres or IAM) to use for authentication                             | string  |    Y     |
+| `user`                       | The username (postgres or IAM) to use for authentication                            | string  |    Y     |
 | `password`                   | The password to use for authentication. Required when connecting as a Postgres user | string  |    N     |
 | `enable_iam_auth`            | Enables IAM authentication. Required when connecting as an IAM user                 | boolean |    N     |
 | `keyfile`                    | Path to the keyfile to be used with enable_iam_auth instead of ADC                  | string  |    N     |