Add **kwargs type hint in Atlas.get_plane

[AlgoFoe]

Description

What is this PR

• Bug fix
• Addition of a new feature
• Other

Why is this PR needed?

• Update type hint for **kwargs in Atlas.get_plane.

What does this PR do?

• Adds **kwargs: Any type hint.

References

• docs: improve NumPy-style docstrings for API reference #451

How has this PR been tested?

• Verified locally that the type hint is correct and no existing functionality is affected.

Is this a breaking change?

• No.

Does this PR require an update to the documentation?

• No.

Checklist:

• The code has been tested locally
• Tests have been added to cover all new functionality (unit & integration)
• The documentation has been updated to reflect any changes
• The code has been formatted with pre-commit

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.41%. Comparing base (a926b85) to head (2b9ac73).
⚠️ Report is 11 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #456      +/-   ##
==========================================
+ Coverage   88.22%   89.41%   +1.19%     
==========================================
  Files          27       27              
  Lines        1282     1285       +3     
==========================================
+ Hits         1131     1149      +18     
+ Misses        151      136      -15     

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[IgorTatarnikov]

LGTM, thanks @AlgoFoe