@amzn/synthetics-playwright (Python) support for version 4.0 & 5.0

### Describe the feature

Please add support for Playwright 4.0 and 5.0

Currently 3.0 is supported which is based on Node.js 20.x runtime for which AWS are ending support in Lambda on April 30, 2026

From:
https://docs.aws.amazon.com/cdk/api/v2/python/aws_cdk.aws_synthetics/Runtime.html

Supported versions:
SYNTHETICS_NODEJS_PLAYWRIGHT_1_0= [](https://docs.aws.amazon.com/cdk/api/v2/python/aws_cdk.aws_synthetics/Runtime.html#aws_cdk.aws_synthetics.Runtime.SYNTHETICS_NODEJS_PLAYWRIGHT_1_0)
SYNTHETICS_NODEJS_PLAYWRIGHT_2_0= [](https://docs.aws.amazon.com/cdk/api/v2/python/aws_cdk.aws_synthetics/Runtime.html#aws_cdk.aws_synthetics.Runtime.SYNTHETICS_NODEJS_PLAYWRIGHT_2_0)
SYNTHETICS_NODEJS_PLAYWRIGHT_3_0= [](https://docs.aws.amazon.com/cdk/api/v2/python/aws_cdk.aws_synthetics/Runtime.html#aws_cdk.aws_synthetics.Runtime.SYNTHETICS_NODEJS_PLAYWRIGHT_3_0)

### Use Case

Continued use of Playwright after April 30, 2026

### Proposed Solution

Support added for:
Playwright 4.0 and 5.0

### Other Information

_No response_

### Acknowledgements

- [ ] I may be able to implement this feature request
- [ ] This feature might incur a breaking change

### AWS CDK Library version (aws-cdk-lib)

Latest

### AWS CDK CLI version

Latest

### Environment details (OS name and version, etc.)

All