Update jsonpickle requirement from >=3.0,<3.5 to >=3.0,<4.1 (#174)

Updates the requirements on [jsonpickle](https://github.com/jsonpickle/jsonpickle) to permit the latest version.
- [Release notes](https://github.com/jsonpickle/jsonpickle/releases)
- [Changelog](https://github.com/jsonpickle/jsonpickle/blob/main/CHANGES.rst)
- [Commits](jsonpickle/jsonpickle@v3.0.0...v4.0.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pyproject.toml

@@ -25,7 +25,7 @@ python = "^3.8"
 protobuf = "5.28.3"
 grpcio = "1.67.1"
 grpcio-tools = "1.67.1"
-jsonpickle = ">=3.0,<3.5"
+jsonpickle = ">=3.0,<4.1"
 pymitter = ">=0.4,<0.6"
 typing-extensions = ">=4.11,<4.13"