Update crossterm requirement from 0.25 to 0.26

Updates the requirements on [crossterm](https://github.com/crossterm-rs/crossterm) to permit the latest version.
- [Release notes](https://github.com/crossterm-rs/crossterm/releases)
- [Changelog](https://github.com/crossterm-rs/crossterm/blob/master/CHANGELOG.md)
- [Commits](crossterm-rs/crossterm@0.25...0.26.1)

---
updated-dependencies:
- dependency-name: crossterm
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

inquire/Cargo.toml

@@ -29,7 +29,7 @@ all-features = true
 rustdoc-args = ["--cfg", "docsrs"]
 
 [dependencies]
-crossterm = { version = "0.25", optional = true }
+crossterm = { version = "0.26", optional = true }
 termion = { version = "2.0", optional = true }
 console = { version = "0.15", optional = true, features = ["windows-console-colors"] }