chore(readme): updated nodejs version in README.md

[cTux]

Description

Please include a summary of the changes and the related issue/task. List any dependencies that are required for this change.

Task link

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Type of change

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• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[github-actions]

PR Analysis

• 🎯 Main theme: Updating NodeJS version in README.md
• 📝 PR summary: This PR updates the NodeJS version in the README.md file from v18 to v20.
• 📌 Type of PR: Documentation
• 🧪 Relevant tests added: No
• ⏱️ Estimated effort to review [1-5]: 1, because it's a simple documentation update.
• 🔒 Security concerns: No security concerns found

PR Feedback

• 💡 General suggestions: The PR looks good overall. It's a straightforward update to the NodeJS version in the README.md file.

• 🤖 Code feedback:

  • relevant file: README.md
    suggestion: Consider adding a link to the NodeJS website for the updated version [medium]
    relevant line: [* NodeJS 20](https://github.com/uptechteam/fe-vitejs-template/pull/47/files#diff-b335630551682c19a781afebcf4d07bf978fb1f8ac04c6bf87428ed5106870f5R40)

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