⬆️ Update dialoguer requirement from ^0.7 to ^0.8

Updates the requirements on [dialoguer](https://github.com/mitsuhiko/dialoguer) to permit the latest version.
- [Release notes](https://github.com/mitsuhiko/dialoguer/releases)
- [Changelog](https://github.com/mitsuhiko/dialoguer/blob/master/CHANGELOG.md)
- [Commits](console-rs/dialoguer@0.7.0...0.8.0)

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

Cargo.toml

@@ -14,7 +14,7 @@ exclude = ["/.github", ".dependabot/", "/docs/**", "/scripts", ".gitignore", "/t
 [dependencies]
 dirs = "^3.0"
 git2 = { version = "^0.13", default-features = false }
-dialoguer = { version = "^0.7", optional = true }
+dialoguer = { version = "^0.8", optional = true }
 pest = "^2.1"
 pest_derive = "^2.1"
 regex = "^1.4"