feat(elasticloadbalancingv2): support Weighted Random algorithm and A…

…utomatic Target Weights for alb (#30542)

### Issue # (if applicable)

Closes #29969 

### Reason for this change
Application Load Balancer supports Weight Random routing Algorithm and Automatic Target Weights. ([link](https://aws.amazon.com/about-aws/whats-new/2023/11/application-load-balancer-availability-target-weights/))

But current L2 construct does not support it.


### Description of changes
* Add `weighted_random` algorithm to ENUM.
* Add a flag for setting Automatic Target Weights anomaly mitigation.



### Description of how you validated changes
Add unit tests and integ tests.



### Checklist
- [x] 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*