[Bug]: Detailed Monitoring is disabled for main node

[gaiksaya]

Describe the bug

After deploying the stack using this repo it is observed that the detailed monitoring is disabled for main node. Since its the main node of jenkins which manages everything and is a single point failure, it makes sense to have detailed monitoring enabled.

We do not have any means to enable it using 1.127.0 version of cdk.
Looks like the issue was resolved aws/aws-cdk#19346 in version 1.151.0.

We might need to upgrade the cdk version to enable this feature.

This is not an issue for agent nodes as those are deployed via jenkins ec2 cloud plugin where we have enabled monitoring by default https://github.com/opensearch-project/opensearch-ci/blob/main/lib/compute/agent-node-config.ts#L96

To reproduce

Deploy the stack and see that the MainNode monitoring is disabled

Acceptance Criteria

Detail monitoring enabled for main node as well

Expected behavior

Monitoring should be enabled for main node

Screenshots

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Host / Environment

No response

Additional context

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Relevant log output

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