chore(logs): fix for yarn build warning from log-group doc string (#3…

…1587)

### Issue # (if applicable)

N/A

### Reason for this change
- New warning following #31535 regarding the docstring

### Description of changes
- update params in the docstring to match the function declaration

### Description of how you validated changes



### Checklist
- [ ] My code adheres to the [CONTRIBUTING GUIDE](https://github.com/aws/aws-cdk/blob/main/CONTRIBUTING.md) and [DESIGN GUIDELINES](https://github.com/aws/aws-cdk/blob/main/docs/DESIGN_GUIDELINES.md)

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*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

packages/aws-cdk-lib/aws-logs/lib/log-group.ts

@@ -321,8 +321,8 @@ abstract class LogGroupBase extends Resource implements ILogGroup {
   /**
  * Creates a CloudWatch metric for this log group.
  *
- * @param _metricName - The name of the metric to create.
- * @param _props - Optional. Additional properties to configure the metric.
+ * @param metricName - The name of the metric to create.
+ * @param props - Optional. Additional properties to configure the metric.
  * @returns A CloudWatch Metric object representing the specified metric for this log group.
  *
  * This method creates a CloudWatch Metric object with predefined settings for the log group.