Sunweg

Fix receive None when expecting value and metric

**Full Changelog**: https://github.com/rokam/sunweg/compare/2.0.2...2.0.3

Fix to the new API contract

**Full Changelog**: https://github.com/rokam/sunweg/compare/2.0.1...2.0.2

What's Changed
* Setter for username and password by rokam in https://github.com/rokam/sunweg/pull/6


**Full Changelog**: https://github.com/rokam/sunweg/compare/2.0.0...2.0.1

What's Changed
* feat: dynamic metrics by rokam in https://github.com/rokam/sunweg/pull/5

Now some metrics do also provide the unit of measurement based on API returns.


**Full Changelog**: https://github.com/rokam/sunweg/compare/1.0.0...2.0.0

The first release version supports the following features:

- Authentication with username and password
- List plants
- Retrieve plant information
Returns a plant with incomplete inverter information.
- Retrieve inverter information
- Complete inverter information

The documentation can be accessed at https://github.com/rokam/sunweg/blob/main/docs/index.md

**Full Changelog**: https://github.com/rokam/sunweg/compare/0.0.9...0.0.11