feat: timeout is now 20 seconds. Users can now change the timeout length

[Jaskowicz1]

This PR changes the default request timeout to be 20 seconds. This PR also adds a function to dpp::cluster to allow users to change the timeout length if they wish.

Code change checklist

• I have ensured that all methods and functions are fully documented using doxygen style comments.
• My code follows the coding style guide.
• I tested that my change works before raising the PR.
• I have ensured that I did not break any existing API calls.
• I have not built my pull request using AI, a static analysis tool or similar without any human oversight.

[netlify]

✅ Deploy Preview for dpp-dev ready!

Name	Link
🔨 Latest commit	fa41eb1
🔍 Latest deploy log	https://app.netlify.com/sites/dpp-dev/deploys/669e688f216c31000813b13a
😎 Deploy Preview	https://deploy-preview-1208--dpp-dev.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.