Update jsonwebtoken requirement from 8 to 9

Updates the requirements on [jsonwebtoken](https://github.com/Keats/jsonwebtoken) to permit the latest version.
- [Changelog](https://github.com/Keats/jsonwebtoken/blob/master/CHANGELOG.md)
- [Commits](Keats/jsonwebtoken@v8.0.0...v9.0.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Cargo.toml

@@ -27,7 +27,7 @@ hyper = {version="0.14", features=["server","http1","tcp","stream"]}
 log = "0.4"
 serde = {version="1.0",features=["derive"]}
 serde_json = {version = "1.0"}
-jsonwebtoken = "8"
+jsonwebtoken = "9"
 uuid = { version = "1.0", features = ["v4", "serde"] }
 thiserror = "1.0"
 cookie = "0.17"