Update spinners requirement from 1.2.0 to 4.1.0

Updates the requirements on [spinners](https://github.com/fgribreau/spinners) to permit the latest version.
- [Commits](FGRibreau/spinners@v1.2.0...v4.1.0)

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

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

Author: dependabot[bot]

Cargo.toml

@@ -30,7 +30,7 @@ colci = "0.1.0"
 log = "0.4.11"
 env_logger = "0.10.0"
 html2text = "0.6.0"
-spinners = "1.2.0"
+spinners = "4.1.0"
 dirs = "3.0.1"
 serde_repr = "0.1.6"
 shellexpand = "3.1.0"