Update the compatibility with Graphs API

[bvdmitri]

Some methods were missing

[github-actions]

🤖 Code Formatting

Your PR still has some code formatting issues. I've updated PR #16 with the necessary formatting changes.

You can merge that PR into this branch to fix the code style check.

Alternatively, you can run make format locally and push the changes yourself.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.67%. Comparing base (fa2f106) to head (c3bb56d).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #15      +/-   ##
==========================================
+ Coverage   83.33%   84.67%   +1.34%     
==========================================
  Files           2        2              
  Lines         114      124      +10     
==========================================
+ Hits           95      105      +10     
  Misses         19       19              

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[github-actions]

🤖 Code Formatting

Your PR still has some code formatting issues. I've updated PR #16 with the necessary formatting changes.

You can merge that PR into this branch to fix the code style check.

Alternatively, you can run make format locally and push the changes yourself.

[wouterwln]

Don't we want to return true for is_bipartite? Is it even possible to create a non-bipartite graph under the hood?