chore: remove unused devDependencies after Node.js 22 upgrade

[LouisAntoninLesieur]

Closes #121

This PR removes unnecessary dev dependencies that became obsolete with the upgrade to Node.js v22:

• Removed:
• • @matteo.collina/tspl
• • glob
• • c8, eslint
• • @nodesecure/eslint-config
• • registry-url
• Updated engines.node to >=22

---

• Removed Node.js 20.x from CI (after feedback)

[fraxken]

You need to remove Node.js 20.x from CI: https://github.com/NodeSecure/ossf-scorecard-sdk/blob/main/.github/workflows/main.yml#L17

[LouisAntoninLesieur]

You need to remove Node.js 20.x from CI: https://github.com/NodeSecure/ossf-scorecard-sdk/blob/main/.github/workflows/main.yml#L17

Thanks for the feedback! It’s my first PR here, I appreciate the guidance. I’ve updated the file to remove Node.js 20.x as requested.

[fraxken]

It's perfect, thanks you!

@allcontributors please add @LouisAntoninLesieur for code

[allcontributors]

@fraxken

I've put up a pull request to add @LouisAntoninLesieur! 🎉