+Adding a halo update for tracer reservoirs.

[kshedstrom]

Wraps up #1130

[codecov-commenter]

Codecov Report

Merging #1159 into dev/gfdl will decrease coverage by 0.22%.
The diff coverage is 32.39%.

@@             Coverage Diff              @@
##           dev/gfdl    #1159      +/-   ##
============================================
- Coverage     46.08%   45.85%   -0.23%     
============================================
  Files           214      224      +10     
  Lines         69399    70084     +685     
============================================
+ Hits          31984    32139     +155     
- Misses        37415    37945     +530     

Impacted Files	Coverage Δ
...g_src/external/GFDL_ocean_BGC/FMS_coupler_util.F90	0.00% <0.00%> (ø)
...fig_src/external/GFDL_ocean_BGC/generic_tracer.F90	0.00% <0.00%> (ø)
...c/external/GFDL_ocean_BGC/generic_tracer_utils.F90	0.00% <0.00%> (ø)
config_src/external/ODA_hooks/kdtree.f90	0.00% <0.00%> (ø)
config_src/external/ODA_hooks/ocean_da_core.F90	0.00% <0.00%> (ø)
config_src/external/ODA_hooks/ocean_da_types.F90	0.00% <0.00%> (ø)
config_src/external/ODA_hooks/write_ocean_obs.F90	0.00% <0.00%> (ø)
config_src/solo_driver/MESO_surface_forcing.F90	0.00% <0.00%> (ø)
config_src/solo_driver/MOM_driver.F90	68.72% <ø> (ø)
config_src/solo_driver/user_surface_forcing.F90	0.00% <0.00%> (ø)
... and 140 more

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[Hallberg-NOAA]

This PR passed pipeline testing at https://gitlab.gfdl.noaa.gov/ogrp/MOM6/pipelines/10859.

[Hallberg-NOAA]

I agree that these changes are correct and am satisfied that they will improve the restart reproducibility of MOM6.