Add ICON support

[jacobbieker]

Pull Request

Description

This PR focuses on decoupling datapipes so closely to UKV for NWP inputs, and adds support for ICON NWPs as well.

Fixes

How Has This Been Tested?

Unit tests

• [x] Yes

Checklist:

• [x] 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
• [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 #216 (83bc69d) into main (ca78491) will decrease coverage by 0.12%. Report is 58 commits behind head on main. The diff coverage is 76.52%.

@@            Coverage Diff             @@
##             main     #216      +/-   ##
==========================================
- Coverage   81.22%   81.11%   -0.12%     
==========================================
  Files         128      131       +3     
  Lines        5508     5586      +78     
==========================================
+ Hits         4474     4531      +57     
- Misses       1034     1055      +21     

Files Changed	Coverage Δ
ocf_datapipes/load/nwp/providers/gfs.py	35.13% <ø> (ø)
ocf_datapipes/select/select_spatial_slice.py	77.41% <58.69%> (-9.25%)	:arrow_down:
ocf_datapipes/utils/geospatial.py	79.16% <66.66%> (-0.84%)	:arrow_down:
ocf_datapipes/load/nwp/nwp.py	91.66% <75.00%> (-6.07%)	:arrow_down:
ocf_datapipes/select/location_picker.py	95.00% <80.00%> (-2.15%)	:arrow_down:
ocf_datapipes/load/nwp/providers/utils.py	83.33% <83.33%> (ø)
ocf_datapipes/load/nwp/providers/icon.py	84.61% <84.61%> (ø)
ocf_datapipes/load/__init__.py	81.25% <100.00%> (ø)
ocf_datapipes/load/nwp/providers/ukv.py	100.00% <100.00%> (ø)
ocf_datapipes/select/select_channels.py	100.00% <100.00%> (ø)
... and 1 more

... and 2 files with indirect coverage changes

:mega: We’re building smart automated test selection to slash your CI/CD build times. Learn more