Update plotly requirement from 0.8 to 0.12

Updates the requirements on [plotly](https://github.com/plotly/plotly.rs) to permit the latest version.
- [Release notes](https://github.com/plotly/plotly.rs/releases)
- [Changelog](https://github.com/plotly/plotly.rs/blob/main/CHANGELOG.md)
- [Commits](plotly/plotly.rs@0.8.0...0.12.1)

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

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

Author: dependabot[bot]

cggtts-cli/Cargo.toml

@@ -15,7 +15,7 @@ log = "0.4"
 walkdir = "2"
 env_logger = "0.11"
 itertools = "0.13"
-plotly =  "0.8"
+plotly =  "0.12"
 clap = { version = "4.4.6", features = ["derive", "color"] }
 serde = { version = "1", default-features = false, features = ["derive"] }
 cggtts = { path = "../cggtts", version = "=4.2.0" }