Handle forward references in Type typehints

[EthanMarx]

What does this PR do?

Fixes #572

Before submitting

• Did you read the contributing guideline?
• Did you update the documentation? (readme and public docstrings)
• Did you write unit tests such that there is 100% coverage on related code? (required for bug fixes and new features)
• Did you verify that new and existing tests pass locally?
• Did you make sure that all changes preserve backward compatibility?
• Did you update the CHANGELOG? (not for typos, docs, test updates, or minor internal changes/refactors)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (1bab38a) to head (abc8ae5).
Report is 7 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #576   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           22        22           
  Lines         6462      6466    +4     
=========================================
+ Hits          6462      6466    +4     

Flag	Coverage Δ
py3.10	85.73% <50.00%> (-0.03%)	⬇️
py3.10_all	98.70% <50.00%> (-0.04%)	⬇️
py3.10_pydantic1	48.88% <25.00%> (-0.02%)	⬇️
py3.10_pydantic2	48.66% <25.00%> (-0.02%)	⬇️
py3.10_types	98.71% <50.00%> (-0.04%)	⬇️
py3.11	85.72% <50.00%> (-0.03%)	⬇️
py3.11_all	98.66% <50.00%> (-0.04%)	⬇️
py3.11_types	98.68% <50.00%> (-0.04%)	⬇️
py3.12	85.86% <50.00%> (-0.03%)	⬇️
py3.12_all	98.66% <50.00%> (-0.04%)	⬇️
py3.12_types	98.68% <50.00%> (-0.04%)	⬇️
py3.7	86.36% <100.00%> (+<0.01%)	⬆️
py3.7_all	99.32% <100.00%> (+<0.01%)	⬆️
py3.7_types	99.37% <100.00%> (+<0.01%)	⬆️
py3.8	86.36% <100.00%> (+<0.01%)	⬆️
py3.8_all	99.33% <100.00%> (+<0.01%)	⬆️
py3.8_types	99.36% <100.00%> (+<0.01%)	⬆️
py3.9	86.29% <100.00%> (+<0.01%)	⬆️
py3.9_all	99.28% <100.00%> (+<0.01%)	⬆️
py3.9_types	99.30% <100.00%> (+<0.01%)	⬆️

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[EthanMarx]

@mauvilsa Should be good now - let me know what you think

[mauvilsa]

Looks good! Just fix the issue identified by sonarcloud and this should be good to go.

[sonarcloud]

Quality Gate passed

Issues
1 New issue
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud