Add support for SharedVariable.default_updates in OpFromGraph

[brandonwillard]

This PR adds support for SharedVariable.default_updates in OpFromGraph, and some miscellaneous fixes to issues discovered along the way.

These changes also provide a means of implementing general support for updates in OpFromGraph (i.e. #1316).

[codecov]

Codecov Report

Merging #1441 (375050a) into main (ead2c02) will increase coverage by 0.05%.
The diff coverage is 95.93%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1441      +/-   ##
==========================================
+ Coverage   74.75%   74.80%   +0.05%     
==========================================
  Files         194      194              
  Lines       49896    49978      +82     
  Branches    10553    10572      +19     
==========================================
+ Hits        37298    37385      +87     
+ Misses      10270    10267       -3     
+ Partials     2328     2326       -2     

Impacted Files	Coverage Δ
aesara/tensor/rewriting/math.py	86.10% <87.50%> (+0.15%)	⬆️
aesara/compile/function/types.py	79.60% <90.47%> (+0.43%)	⬆️
aesara/graph/fg.py	88.91% <95.45%> (+0.38%)	⬆️
aesara/compile/builders.py	79.16% <100.00%> (+2.10%)	⬆️
aesara/compile/ops.py	84.45% <100.00%> (+0.77%)	⬆️
aesara/link/c/cmodule.py	52.32% <100.00%> (+0.27%)	⬆️
aesara/scan/op.py	85.14% <100.00%> (+0.01%)	⬆️
aesara/tensor/__init__.py	96.29% <100.00%> (ø)
aesara/tensor/math.py	90.68% <100.00%> (ø)