fix(vortex_utils): move H264Decoder into a separate file

[kluge7]

This PR moves the H264Decoder class into a separate file. This is due to import issues where the other utils would fail since they didnt have GI installed, which is only needed by H264Decoder.

[codecov]

Codecov Report

Attention: Patch coverage is 72.72727% with 30 lines in your changes missing coverage. Please review.

Project coverage is 90.63%. Comparing base (82df717) to head (901dc22).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
vortex_utils/gst_utils.py	58.33%	26 Missing and 4 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main       #5      +/-   ##
==========================================
+ Coverage   90.37%   90.63%   +0.25%     
==========================================
  Files           5        6       +1     
  Lines         395      427      +32     
  Branches       50       53       +3     
==========================================
+ Hits          357      387      +30     
- Misses         24       26       +2     
  Partials       14       14              

Flag	Coverage Δ
unittests	90.63% <72.72%> (+0.25%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
tests/test_utils.py	100.00% <100.00%> (ø)
vortex_utils/python_utils.py	100.00% <ø> (+21.70%)	⬆️
vortex_utils/gst_utils.py	58.33% <58.33%> (ø)

[Andeshog]

nice

[github-actions]

🎉 This PR is included in version 1.4.1 🎉

The release is available on GitHub release

Your semantic-release bot 📦🚀