Glossary support for Google Cloud Translation Advanced

[gersona]

Proposed changes

Added optional glossary support for Google v3 automatic suggestions.
Notable changes include:

• New bucket_name field for GoogleV3MachineryForm settings form
• New optional dependency google-cloud-storage

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

fixes #10526

[codecov]

Codecov Report

Attention: Patch coverage is 98.92473% with 1 line in your changes missing coverage. Please review.

Project coverage is 91.19%. Comparing base (7a1cbae) to head (7fcf098).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
weblate/machinery/googlev3.py	97.43%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #12777      +/-   ##
==========================================
+ Coverage   91.18%   91.19%   +0.01%     
==========================================
  Files         596      596              
  Lines       61149    61237      +88     
  Branches     6345     6347       +2     
==========================================
+ Hits        55758    55846      +88     
+ Misses       3740     3739       -1     
- Partials     1651     1652       +1     

Files with missing lines	Coverage Δ
weblate/machinery/forms.py	96.29% <100.00%> (+0.03%)	⬆️
weblate/machinery/tests.py	99.67% <100.00%> (+0.01%)	⬆️
weblate/machinery/googlev3.py	93.75% <97.43%> (+2.84%)	⬆️

... and 1 file with indirect coverage changes