DM-41116: Few updates fiollowing Butler interface change

[andy-slac]

Butler is now an abstract class, and preferred way to instantiate butlers
is Butler.from_config. Execution butler requires a DirectButler instance,
updated type annotations to reflect that.

Checklist

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

[codecov]

Codecov Report

Attention: 3 lines in your changes are missing coverage. Please review.

Comparison is base (e1cb22b) 82.46% compared to head (d715696) 82.47%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #378   +/-   ##
=======================================
  Coverage   82.46%   82.47%           
=======================================
  Files          92       92           
  Lines       10346    10350    +4     
  Branches     1951     1951           
=======================================
+ Hits         8532     8536    +4     
  Misses       1472     1472           
  Partials      342      342           

Files	Coverage Δ
python/lsst/pipe/base/executionButlerBuilder.py	66.44% <100.00%> (+0.22%)	⬆️
python/lsst/pipe/base/tests/simpleQGraph.py	71.42% <100.00%> (ø)
tests/test_executionButler.py	100.00% <100.00%> (ø)
python/lsst/pipe/base/pipeline_graph/__main__.py	0.00% <0.00%> (ø)
...ython/lsst/pipe/base/script/register_instrument.py	50.00% <0.00%> (ø)
...ython/lsst/pipe/base/script/transfer_from_graph.py	12.50% <0.00%> (ø)

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