Citylearn challenge 2023 control track metric weights update

[kingsleynweye]

Description

Updated evaluation metric weights in citylearn.citylearn.CityLearnEnv.evaluate_citylearn_challenge function specifically for The CityLearn Challenge 2023.

Issue

NIL

Changes

See change log

Screenshots

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Checklist

• [x] I have tested the changes locally and they work as intended.
• [x] I have updated the documentation, if applicable.
• [x] I have added new tests, if applicable.
• [x] I have added any required dependencies to the requirements.txt file, if applicable.
• [x] I have followed the project's code style and conventions.

Additional notes

NIL