Crowdin JavaScript client v2

[andrii-bodnar]

It's been a while since the v1 release, and in that time a lot of deprecations and legacy code have accumulated. There have also been some big changes in the ecosystem that could be addressed in the new major release.

Things to be done:

• Remove all the deprecations from the codebase.
  • Check the Crowdin API docs for other deprecations that aren't reflected in the client.
• Update Node version requirement (min. 18).
• Use native Node fetch instead of Axios.
• Use Typescript 5.
• Bump all dependencies to the latest versions.
• ...