WMO Instruments Part 3: Rename enhancement/composite YAML files

[sfinkens]

Rename enhancement/composite YAML files so that they follow the WMO instrument naming convention. To be merged into #3390 .

Composites

The following composite files were renamed

insat3d_img -> imager_insat
vii         -> metimage
ec_msi      -> msi
msu-gsa     -> msu-gs-a
virr        -> virr_fy-3
sar-c       -> sar-c_sentinel-1
sen2_msi    -> msi_sentinel-2a

The following composite files are new and only load the corresponding shared composite.

imager_goes_8-11  -> goes_imager
imager_goes_12-15 -> goes_imager
mwr_aws           -> mwr
mwr_sterna        -> mwr
oli               -> oli_tirs
tirs              -> oli_tirs

Enhancements

The following enhancement files were renamed:

sen2_msi -> msi

The following symbolic links are new and only point to the shared enhancement (there is no mechanism like the dependency tree for enhancements)

mrw_sterna.yaml -> mwr.yaml
mwr_aws.yaml    -> mwr.yaml

Compatibility

Also search for user-defined composites and enhancements with the old instrument name. If present, display a deprecation warning asking users to rename their files.

[codecov]

Codecov Report

❌ Patch coverage is 97.31664% with 15 lines in your changes missing coverage. Please review.
✅ Project coverage is 96.42%. Comparing base (1adb2fa) to head (262d5fe).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
satpy/enhancements/enhancer.py	92.85%	2 Missing ⚠️
satpy/readers/core/yaml_reader.py	80.00%	2 Missing ⚠️
satpy/readers/ghrsst_l3c_sst.py	0.00%	2 Missing ⚠️
satpy/readers/maia.py	33.33%	2 Missing ⚠️
satpy/decision_tree.py	90.90%	1 Missing ⚠️
satpy/readers/mirs.py	88.88%	1 Missing ⚠️
satpy/readers/nucaps.py	75.00%	1 Missing ⚠️
satpy/readers/scmi.py	75.00%	1 Missing ⚠️
satpy/readers/seviri_l1b_icare.py	66.66%	1 Missing ⚠️
satpy/readers/tropomi_l2.py	66.66%	1 Missing ⚠️
... and 1 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3420      +/-   ##
==========================================
+ Coverage   96.33%   96.42%   +0.08%     
==========================================
  Files         467      467              
  Lines       59138    59325     +187     
==========================================
+ Hits        56973    57205     +232     
+ Misses       2165     2120      -45     

Flag	Coverage Δ
behaviourtests	?
unittests	96.42% <97.31%> (-0.01%)	⬇️

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