docs: rename batch integration to actual use case name

Signed-off-by: heitorlessa <[email protected]>

docs/utilities/idempotency.md

@@ -431,7 +431,7 @@ You can customize the attribute names during initialization:
 
 ### Common use cases
 
-#### Batch integration
+#### Batch processing
 
 You can can easily integrate with [Batch](batch.md){target="_blank"} using the [idempotent_function decorator](#idempotent_function-decorator) to handle idempotency per message/record in a given batch.