feat: grpc driving dimensions stub implementation

[jacobrkerstetter]

Description

• moved driving dimensions stub to new location
• adjusted usages to use new stub

Issue linked

#1817

Checklist

• I have tested my changes locally.
• I have added necessary documentation or updated existing documentation.
• I have followed the coding style guidelines of this project.
• I have added appropriate unit tests.
• I have reviewed my changes before submitting this pull request.
• I have linked the issue or issues that are solved to the PR if any.
• I have assigned this PR to myself.
• I have added the minimum version decorator to any new backend method implemented.
• I have made sure that the title of my PR follows Conventional commits style (e.g. feat: extrude circle to cylinder)

[codecov]

Codecov Report

Attention: Patch coverage is 90.14085% with 7 lines in your changes missing coverage. Please review.

Project coverage is 90.36%. Comparing base (e54ba43) to head (298859c).
Report is 9 commits behind head on main.

Files with missing lines	Patch %	Lines
...etry/core/_grpc/_services/v1/driving_dimensions.py	71.42%	4 Missing ⚠️
...ansys/geometry/core/connection/product_instance.py	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1921      +/-   ##
==========================================
- Coverage   90.39%   90.36%   -0.03%     
==========================================
  Files         114      117       +3     
  Lines        9545     9593      +48     
==========================================
+ Hits         8628     8669      +41     
- Misses        917      924       +7     

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[RobPasMue]

Blocked by #1924

[RobPasMue]

LGTM! Merging!