cargo(deps): update clap-stdin requirement from 0.6.0 to 0.8.0

Updates the requirements on [clap-stdin](https://github.com/thepacketgeek/clap-stdin) to permit the latest version.
- [Release notes](https://github.com/thepacketgeek/clap-stdin/releases)
- [Commits](thepacketgeek/clap-stdin@v0.6.0...v0.8.0)

---
updated-dependencies:
- dependency-name: clap-stdin
  dependency-version: 0.8.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

crates/yawns/Cargo.toml

@@ -28,5 +28,5 @@ aws-types = "1.3.7"
 anstream = "0.6.18"
 prettytable = "0.10.0"
 futures = "0.3.31"
-clap-stdin = "0.6.0"
+clap-stdin = "0.8.0"
 aws-smithy-types = "1.3.1"