chore: Release railwayapp version 3.0.0

v2.1.0: PR railwayapp#293 Prompt to link on up command

v2.0.14: PR railwayapp#296 Fix evaluation of symlinks on up

v2.0.13: PR railwayapp#281 Better error messages

v2.0.12: PR railwayapp#278 Add String! to service variables query

v2.0.11: PR railwayapp#273 feat: Bypass confirmation dialog `railway …

…down`

v2.0.10: PR railwayapp#265 Introduce optional replace semantics for `…

…railway variables set` as an alternative to upsert

v2.0.9: PR railwayapp#267 Fix outdated `deployEnvironmentTriggers` mu…

…tation

v2.0.8: PR railwayapp#260 fix gitignore file detection with up

v2.0.7: PR railwayapp#256 Fix up deploys with a project token