fix(lambda): correct Lambda Insights ARNs for ARM64 1.0.498.0

[krymtkts]

Issue # (if applicable)

Closes #36867

Reason for this change

CloudWatch Lambda Insights extension ARM64 version 1.0.498.0 resolves to incorrect Lambda Layer ARNs.

Description of changes

Update CLOUDWATCH_LAMBDA_INSIGHTS_ARNS entries in packages/aws-cdk-lib/region-info/build-tools/fact-tables.ts for LambdaInsightsExtension-Arm64 1.0.498.0 to match the official AWS documentation table for each region.

Describe any new or updated permissions being added

N/A

Description of how you validated changes

I validated this change by cross-checking the ARM architecture Lambda Insights layer ARNs against the official AWS documentation and confirming the generated region-info snapshot output matches.

https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/Lambda-Insights-extension-versionsARM.html#Lambda-Insights-extension-ARM-1.0.498.0

Checklist

• My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

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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

[aws-cdk-automation]

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❌ Fixes must contain a change to an integration test file and the resulting snapshot.

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