Issue/read forecast gsp

[peterdudfield]

Pull Request

Description

and end_created_utc to get_all_gsp_ids_latest_forecast

Helps with https://github.com/openclimatefix/uk-pv-national-gsp-api/issues/294

How Has This Been Tested?

CI test + adding one

• [x] Yes

Checklist:

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

[codecov[bot]]

Codecov Report

Merging #244 (8520b08) into main (2f64093) will increase coverage by 0.00%. Report is 2 commits behind head on main. The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #244   +/-   ##
=======================================
  Coverage   95.25%   95.25%           
=======================================
  Files          27       27           
  Lines        1727     1729    +2     
=======================================
+ Hits         1645     1647    +2     
  Misses         82       82           

Files	Coverage Δ
nowcasting_datamodel/read/read.py	98.07% <100.00%> (+0.01%)	:arrow_up:

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