Update test_v2d to support multiple exception types

[avrata]

This is to support both imath 2 and 3

As part of vfxreference platform support and imath 2, we need to check for either ValueError or RuntimeError as the exception type changes.

[codecov-commenter]

Codecov Report

Merging #1279 (c9c996d) into main (0d9fb92) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main    #1279   +/-   ##
=======================================
  Coverage   86.19%   86.19%           
=======================================
  Files         196      196           
  Lines       19795    19795           
  Branches     2310     2310           
=======================================
  Hits        17062    17062           
  Misses       2171     2171           
  Partials      562      562           

Flag	Coverage Δ
py-unittests	86.19% <100.00%> (ø)

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Impacted Files	Coverage Δ
tests/test_v2d.py	97.10% <100.00%> (ø)

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