Fix non latin symbols decoding in adapters

[kalemas]

Link the Issue(s) this Pull Request is related to.

Fixes #1321

Summarize your change.

As Py2 support is dropped we should be free to commit utf-8 encoding in Python Adapters to handle UTF in input data.

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: kalemas / name: Konstantin Maslyuk (cfeb904)

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (013fe04) 79.83% compared to head (cfeb904) 79.83%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1691   +/-   ##
=======================================
  Coverage   79.83%   79.83%           
=======================================
  Files         197      197           
  Lines       21814    21814           
  Branches     4362     4362           
=======================================
  Hits        17416    17416           
  Misses       2233     2233           
  Partials     2165     2165           

Flag	Coverage Δ
py-unittests	79.83% <100.00%> (ø)

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Files	Coverage Δ
...-opentimelineio/opentimelineio/adapters/adapter.py	89.00% <100.00%> (ø)

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[meshula]

lgtm, thanks for the contribution.

[reinecke]

@kalemas We've addressed the windows build issues in the HEAD of the current main branch, would you mind rebasing on top of that so we can get a clean build?
Sorry about the confusion!

[kalemas]

rebasing on top of that so we can get a clean build?

@reinecke Done.