⬆️ Upgrade Node.js to v24, bump npm dependencies

[alexrockhill]

There's a security vulnerability from an outdated package, this fixes it

full-stack-fastapi-template/frontend$ npm install

added 58 packages, removed 1 package, and audited 342 packages in 1s

49 packages are looking for funding
  run `npm fund` for details

42 high severity vulnerabilities

To address all issues, run:
  npm audit fix

Run `npm audit` for details.

After

$ npm install

up to date, audited 349 packages in 591ms

49 packages are looking for funding
  run `npm fund` for details

found 0 vulnerabilities

[alexrockhill]

@tiangolo maybe this is worth a minute to merge since it's supposed to be a high security vulnerability if you have a minute, thanks!

[YuriiMotov]

Could you please explain why this file in the root directory is needed?

[alexrockhill]

Ah sorry mistake!