chore: upgrade isolated vm to 5.0.3 and node to v20.15.1

[akashrpo]

What are the changes introduced in this PR?

upgrade isolated vm to 5.0.3 and node to v20.15.1

What is the related Linear task?

DAT-1826
DAT-1825

Please explain the objectives of your changes below

Any changes to existing capabilities/behaviour, mention the reason & what are the changes ?

N/A

Any new dependencies introduced with this change?

N/A

Any new generic utility introduced or modified. Please explain the changes.

N/A

Any technical or performance related pointers to consider with the change?

N/A

@coderabbitai review

---

Developer checklist

• My code follows the style guidelines of this project

• No breaking changes are being introduced.

• All related docs linked with the PR?

• All changes manually tested?

• Any documentation changes needed with this change?

• Is the PR limited to 10 file changes?

• Is the PR limited to one linear task?

• Are relevant unit and component test-cases added in new readability format?

Reviewer checklist

• Is the type of change in the PR title appropriate as per the changes?

• Verified that there are no credentials or confidential data exposed with the changes.

[devops-github-rudderstack]

Allure Test reports for this run are available at:

• Allure Report: https://rudderlabs.github.io/rudder-transformer/368/index.html

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 68.98%. Comparing base (69a1d6b) to head (c2cc440).
Report is 14 commits behind head on develop.

❗ There is a different number of reports uploaded between BASE (69a1d6b) and HEAD (c2cc440). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (69a1d6b)	HEAD (c2cc440)
	2	1

Additional details and impacted files

@@             Coverage Diff              @@
##           develop    #4070       +/-   ##
============================================
- Coverage    91.04%   68.98%   -22.07%     
============================================
  Files          629      101      -528     
  Lines        32841     6616    -26225     
  Branches      7792     1746     -6046     
============================================
- Hits         29901     4564    -25337     
+ Misses        2689     1715      -974     
- Partials       251      337       +86     

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[devops-github-rudderstack]

Allure Test reports for this run are available at:

• Allure Report: https://rudderlabs.github.io/rudder-transformer/369/index.html

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[devops-github-rudderstack]

Allure Test reports for this run are available at:

• Allure Report: https://rudderlabs.github.io/rudder-transformer/376/index.html