refactor(chore): remove Node js 20 support (#297)

remove Node js 20 support

BREAKING CHANGE:
yes

GH-296

## 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:

- [x] Performed a self-review of my own code
- [x] npm test passes on your machine

### Build:

<img width="620" height="153" alt="Screenshot 2026-06-11 at 6 06 53 PM"
src="https://github.com/user-attachments/assets/bdfa4971-469a-47dd-8915-536e4b6c5873"
/>


### Test:

<img width="670" height="169" alt="Screenshot 2026-06-11 at 6 07 07 PM"
src="https://github.com/user-attachments/assets/0d87de4f-d267-48d7-b9fd-b783d3118326"
/>

Author: Sourav-kashyap

.github/workflows/main.yaml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [20, 22, 24]
+        node-version: [22, 24]
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
@@ -30,4 +30,4 @@ jobs:
     if: success()
     steps:
       - name: Final status
-        run: echo "✅ All tests passed for Node.js 20, 22, and 24"
+        run: echo "✅ All tests passed for Node.js 22 and 24"