machinery: Include glossary in OpenAI translations

[nijel]

Proposed changes

Issue #7086

Checklist

• Lint and unit tests pass locally with my changes.
• I have added tests that prove my fix is effective or that my feature works.
• I have added documentation to describe my feature.
• I have squashed my commits into logic units.
• I have described the changes in the commit messages.

Other information

[codecov]

Codecov Report

Merging #10516 (a4637ab) into main (3537b3d) will decrease coverage by 0.01%.
Report is 2 commits behind head on main.
The diff coverage is 88.23%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #10516      +/-   ##
==========================================
- Coverage   90.89%   90.88%   -0.01%     
==========================================
  Files         546      546              
  Lines       56509    56574      +65     
  Branches     8998     9010      +12     
==========================================
+ Hits        51362    51418      +56     
- Misses       3569     3573       +4     
- Partials     1578     1583       +5     

Files	Coverage Δ
weblate/checks/tests/test_checks.py	97.63% <100.00%> (+0.07%)	⬆️
weblate/glossary/tests.py	100.00% <100.00%> (ø)
weblate/trans/models/project.py	92.56% <100.00%> (+0.09%)	⬆️
weblate/machinery/openai.py	81.81% <80.00%> (-0.80%)	⬇️
weblate/glossary/models.py	87.50% <84.21%> (-2.06%)	⬇️

... and 1 file with indirect coverage changes