Update Contrbuting.rst to reflect keyword conventions.

[Devin-Crawford]

Description of the current limitations

Recent refactoring efforts have focused on creating consistent keyword name conventions throughout the repo. The documentation should be updated to reflect these conventions to ensure that future updates are consistent.

Code sample expected

Update the code style section in ./doc/source/Getting_started/Conributing.rst

Useful links and references

No response

[Devin-Crawford]

@gmalinve FYI.

[MaxJPRey]

Agreed. Nice catch @dcrawforAtAnsys .

[gmalinve]

Linked #4420 and v1.0