refactor(chore): remove Node js 20 support

[Sourav-kashyap]

remove Node js 20 support

BREAKING CHANGE:
yes

GH-253

Description

Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context. List any dependencies that are required for this change.

Fixes # (issue)

Checklist:

• Performed a self-review of my own code
• npm test passes on your machine

Build:

Test:

[sonarqubecloud]

SonarQube reviewer guide

Summary: Drop Node.js 20 support and upgrade to v8.1.1 with dependency updates.

Review Focus: The minimum Node.js version requirement has been bumped from 20 to 22, and the package version has been incremented from 8.1.0 to 8.1.1. Pay particular attention to:

• Whether this is truly a patch-level change (8.1.1 suggests bug fixes only, not breaking changes)
• The scope of dependency updates, particularly major version changes in key packages (@loopback packages, @babel packages, express, and proxy agents)
• The GitHub Actions workflow change removing Node.js 20 from the test matrix is appropriate given the new minimum requirement

Start review at: package.json. This is the source of truth for the minimum Node.js version and should be reviewed first to confirm whether bumping from 20→22 aligns with the project's support strategy and whether a patch version bump is justified for this change.

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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