fix(modules): Fix postgres deprecation warning.

Remove the `wait_container_is_ready` decorator as per deprecation warning into the new `container.waiting_for`

Author: surister

modules/postgres/testcontainers/postgres/__init__.py

@@ -64,6 +64,11 @@ def __init__(
         self.driver = f"+{driver}" if driver else ""
 
         self.with_exposed_ports(self.port)
+        self.waiting_for(
+            LogMessageWaitStrategy(
+                'database system is ready to accept connections').with_startup_timeout(10)
+        )
+
 
     def _configure(self) -> None:
         self.with_env("POSTGRES_USER", self.username)
@@ -87,7 +92,6 @@ def get_connection_url(self, host: Optional[str] = None, driver: Optional[str] =
             port=self.port,
         )
 
-    @wait_container_is_ready()
     def _connect(self) -> None:
         escaped_single_password = self.password.replace("'", "'\"'\"'")
         result = self.exec(