DM-39410: Removed Ellipsis workaround from lsst.utils

[andy-slac]

With Python 3.10 we can use native types.EllipsisType for type annotations.

Checklist

• ran Jenkins
• added a release note for user-visible changes to doc/changes

[codecov]

Codecov Report

Patch coverage: 80.55% and project coverage change: -0.01 ⚠️

Comparison is base (da474ab) 87.94% compared to head (9f5c732) 87.93%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #847      +/-   ##
==========================================
- Coverage   87.94%   87.93%   -0.01%     
==========================================
  Files         268      268              
  Lines       35258    35254       -4     
  Branches     7393     7393              
==========================================
- Hits        31006    31002       -4     
  Misses       3112     3112              
  Partials     1140     1140              

Impacted Files	Coverage Δ
python/lsst/daf/butler/core/serverModels.py	78.57% <ø> (ø)
python/lsst/daf/butler/registries/remote.py	80.59% <ø> (-0.10%)	⬇️
python/lsst/daf/butler/registries/sql.py	84.96% <ø> (-0.03%)	⬇️
python/lsst/daf/butler/script/transferDatasets.py	44.44% <50.00%> (ø)
python/lsst/daf/butler/core/utils.py	94.28% <60.00%> (+0.16%)	⬆️
python/lsst/daf/butler/registry/wildcards.py	54.54% <75.00%> (ø)
python/lsst/daf/butler/registry/_registry.py	94.55% <100.00%> (ø)
...thon/lsst/daf/butler/registry/collections/_base.py	90.55% <100.00%> (-0.06%)	⬇️
.../butler/registry/datasets/byDimensions/_manager.py	93.62% <100.00%> (-0.04%)	⬇️
python/lsst/daf/butler/script/queryDataIds.py	86.66% <100.00%> (ø)
... and 4 more

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