Update serde_with requirement from 1.14.0 to 2.0.0

Updates the requirements on [serde_with](https://github.com/jonasbb/serde_with) to permit the latest version.
- [Release notes](https://github.com/jonasbb/serde_with/releases)
- [Commits](https://github.com/jonasbb/serde_with/compare/v1.14.0...v2.0.0)

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

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

Cargo.toml

@@ -16,7 +16,7 @@ edition = "2021"
 reqwest = { version = "0.11.11", default-features = false, features = ["json"] }
 serde = { version = "1.0.138", features = ["derive"] }
 serde_json = "1.0.82"
-serde_with = "1.14.0"
+serde_with = "2.0.0"
 chrono = { version = "0.4.19", features = ["serde"] }
 jsonwebtoken = "8.1.1"
 base64 = "0.13.0"