Remove node-fetch dependency

[LoicPoullain]

Issue

Starting from Node 20 and 22, all tests pass by replacing node-fetch dependency with the native Node fetch API. Thus, the dependency can be removed.

See also #1267

Solution and steps

• Remove node-fetch dependency.

Checklist

• Add/update/check docs (code comments and docs/ folder).
• Add/update/check tests.
• Update/check the cli generators.

Dependencies

• @foal/cli
  • node-fetch removed
• @foal/social
  • node-fetch removed