[BUG] end date is hard-coded line 403-424 of data_classes.py

[admahood]

Bug Description

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To Reproduce

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1. Go to '...'
2. Run command '...'
3. See error

Expected Behavior

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Environment Details

• OS: [e.g. Windows 10, macOS 12.0, Ubuntu 20.04]
• Python version: [e.g. 3.8.5]
• firedpy version: [e.g. 0.1.0]
• Region/Country: [e.g. Australia, California, Global]

Data Processing Details

• Date range: [e.g. 2020-01-01 to 2020-12-31]
• Spatial extent: [e.g. coordinates or region name]
• Processing parameters: [e.g. specific thresholds, filters used]
• Input data files: [if applicable, describe the data files used]

Error Information

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Additional Context

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Screenshots/Outputs

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