fix(feature-flags): revert RuleAction Enum inheritance on str (#1910)

Author: royygael

aws_lambda_powertools/utilities/feature_flags/schema.py

@@ -23,7 +23,7 @@
 HOUR_MIN_SEPARATOR = ":"
 
 
-class RuleAction(Enum):
+class RuleAction(str, Enum):
     EQUALS = "EQUALS"
     NOT_EQUALS = "NOT_EQUALS"
     KEY_GREATER_THAN_VALUE = "KEY_GREATER_THAN_VALUE"