docs(logger): fix typo in sampling examples (#7133)

Fixed sampling examples, changed sample_rate to sampling_rate

Co-authored-by: Leandro Damascena <[email protected]>

Author: trevmt

examples/logger/src/sampling_debug_logs_with_decorator.py

@@ -2,7 +2,7 @@
 from aws_lambda_powertools.utilities.typing import LambdaContext
 
 # Sample 10% of debug logs e.g. 0.1
-logger = Logger(service="payment", sample_rate=0.1)
+logger = Logger(service="payment", sampling_rate=0.1)
 
 
 @logger.inject_lambda_context

examples/logger/src/sampling_debug_logs_with_standalone_function.py

@@ -2,7 +2,7 @@
 from aws_lambda_powertools.utilities.typing import LambdaContext
 
 # Sample 10% of debug logs e.g. 0.1
-logger = Logger(service="payment", sample_rate=0.1)
+logger = Logger(service="payment", sampling_rate=0.1)
 
 
 def lambda_handler(event: dict, context: LambdaContext):