[Bug] Fix invalid character in default-values

[lewijacn]

Description

Bug fix for invalid default-values

SyntaxError: /home/ec2-user/workspace/rfs-default-e2e-test/deployment/cdk/opensearch-service-migration/default-values.json: Unexpected token } in JSON at position 482
    at parse (<anonymous>)
    at Object.Module._extensions..json (node:internal/modules/cjs/loader:1440:39)
    at Module.load (node:internal/modules/cjs/loader:1203:32)
    at Function.Module._load (node:internal/modules/cjs/loader:1019:12)
    at Module.require (node:internal/modules/cjs/loader:1231:19)
    at require (node:internal/modules/helpers:177:18)
    at Object.<anonymous> (/home/ec2-user/workspace/rfs-default-e2e-test/deployment/cdk/opensearch-service-migration/lib/stack-composer.ts:6:1)
    at Module._compile (node:internal/modules/cjs/loader:1364:14)
    at Module.m._compile (/home/ec2-user/workspace/rfs-default-e2e-test/deployment/cdk/opensearch-service-migration/node_modules/ts-node/src/index.ts:1618:23)
    at Module._extensions..js (node:internal/modules/cjs/loader:1422:10)

Issues Resolved

[List any issues this PR will resolve]

Is this a backport? If so, please add backport PR # and/or commits #

Testing

[Please provide details of testing done: unit testing, integration testing and manual testing]

Check List

• New functionality includes testing
  • All tests pass, including unit test, integration test and doctest
• New functionality has been documented
• Commits are signed per the DCO using --signoff

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.92%. Comparing base (4ad0443) to head (31f62b3).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main     #993   +/-   ##
=========================================
  Coverage     78.92%   78.92%           
  Complexity     2723     2723           
=========================================
  Files           374      374           
  Lines         13809    13809           
  Branches        970      970           
=========================================
  Hits          10899    10899           
  Misses         2336     2336           
  Partials        574      574           

Flag	Coverage Δ
gradle-test	76.80% <ø> (ø)
python-test	89.80% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.