build(deps): update syn requirement from 2 to 3

Updates the requirements on [syn](https://github.com/dtolnay/syn) to permit the latest version.
- [Release notes](https://github.com/dtolnay/syn/releases)
- [Commits](dtolnay/syn@2.0.0...3.0.4)

---
updated-dependencies:
- dependency-name: syn
  dependency-version: 3.0.4
  dependency-type: direct:production
...

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

Author: dependabot[bot]

plotly_derive/Cargo.toml

@@ -12,7 +12,7 @@ keywords = ["plot", "chart", "plotly"]
 
 [dependencies]
 quote = "1"
-syn = "2"
+syn = "3"
 proc-macro2 = "1"
 darling = "0.23"