Adding the params config to the row expectations

Adding the params config to the row expectations would enable passing dynamic parameters to the expectation.

spark_expectations/utils/reader.py

@@ -339,7 +339,7 @@ def get_rules_from_df(
                         "rule_type": row["rule_type"],
                         "rule": row["rule"].format(**params),
                         "column_name": row["column_name"],
-                        "expectation": row["expectation"],
+                        "expectation": row["expectation"].format(**params),
                         "action_if_failed": row["action_if_failed"],
                         "enable_for_source_dq_validation": row[
                             "enable_for_source_dq_validation"