[docs] Include "_facts" in module examples section (#41680)

The example says module name: "cloudwatchlogs_log_group"
where it should say: "cloudwatchlogs_log_group_facts"

+label: docsite_pr

lib/ansible/modules/cloud/amazon/cloudwatchlogs_log_group_facts.py

@@ -30,7 +30,7 @@ extends_documentation_fragment:
 
 EXAMPLES = '''
 # Note: These examples do not set authentication details, see the AWS Guide for details.
-- cloudwatchlogs_log_group:
+- cloudwatchlogs_log_group_facts:
     log_group_name: test-log-group
 '''