(v3.6.11) - Performance enhancements in WeatherForecastingWrapper and EnergyCostWrapper.

[fpertinezp]

Description

The main purpose of these changes is to improve the performance of the WeatherForecastingWrapper and EnergyCostWrapper wrappers. In addition, this update extends the coverage of the WeatherForecastingWrapper tests and adds examples of how to use these two wrappers to the documentation.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation (update in the documentation)
• Improvement (of an existing feature)
• Others

Checklist:

• I've read the CONTRIBUTION guide (required)
• My change requires a change to the documentation.
• I have updated the tests.
• I have updated the documentation accordingly.
• I have reformatted the code using autopep8 second level aggressive.
• I have reformatted the code using isort.
• I have ensured cd docs && make spelling && make html pass (required if documentation has been updated.)
• I have ensured pytest tests/ -vv pass. (required).
• I have ensured pytype -d import-error sinergym/ pass. (required)

Changelog:

• wrappers.py: improved performance of WeatherForecastingWrapper and EnergyCostWrapper.
• test_wrapper.py: Extended coverage of WeatherForecastingWrapper test.
• wrapper_examples.ipynb: Added usage examples for WeatherForecastingWrapper and EnergyCostWrapper.
• pyproject.toml and version.txt: Update Sinergym version.