Fix params rendering in AzureSynapseHook Python API docs (apache#29041)

Trivial update to add a newline between the description and `:param:` directives in the AzureSynapseHook docstring. This allows the parameters to be rendered properly in the Python API documentation for better readability.

airflow/providers/microsoft/azure/hooks/synapse.py

@@ -50,6 +50,7 @@ class AzureSynapseSparkBatchRunStatus:
 class AzureSynapseHook(BaseHook):
     """
     A hook to interact with Azure Synapse.
+
     :param azure_synapse_conn_id: The :ref:`Azure Synapse connection id<howto/connection:synapse>`.
     :param spark_pool: The Apache Spark pool used to submit the job
     """