build(deps): bump is-terminal from 0.4.7 to 0.4.9

Bumps [is-terminal](https://github.com/sunfishcode/is-terminal) from 0.4.7 to 0.4.9.
- [Commits](sunfishcode/is-terminal@v0.4.7...v0.4.9)

---
updated-dependencies:
- dependency-name: is-terminal
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>