add options to filter 'get_latest_pv_yield'

[peterdudfield]

Pull Request

Description

add options for filtering on pv_yield

How Has This Been Tested?

add unitests

• [ ] Yes

If your changes affect data processing, have you plotted any changes? i.e. have you done a quick sanity check?

• [ ] Yes

Checklist:

• [ ] My code follows OCF's coding style guidelines
• [ ] I have performed a self-review of my own code
• [ ] I have made corresponding changes to the documentation
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] I have checked my code and corrected any misspellings

[codecov-commenter]

Codecov Report

Merging #50 (f429c6b) into main (d67f74e) will increase coverage by 0.00%. The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main      #50   +/-   ##
=======================================
  Coverage   98.42%   98.43%           
=======================================
  Files          16       16           
  Lines         636      640    +4     
=======================================
+ Hits          626      630    +4     
  Misses         10       10           

Impacted Files	Coverage Δ
nowcasting_datamodel/read/read_pv.py	100.00% <100.00%> (ø)

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