Add type checking to __eq__ in graph classes

[dvora-h]

Pull Request check-list

Please make sure to review and check all of these items:

• Does $ tox pass with this change (including linting)?
• Do the CI tests pass with this change (enable it first in your forked repo and wait for the github action build to finish)?
• Is the new or changed code fully tested?
• Is a documentation update included (if this change modifies existing APIs, or introduces new ones)?
• Is there an example added to the examples folder (if applicable)?
• Was the change added to CHANGES file?

NOTE: these things are not required to open a PR and can be done
afterwards / while the PR is open.

Description of change

Fixes #2524

[codecov-commenter]

Codecov Report

Base: 92.24% // Head: 92.20% // Decreases project coverage by -0.03% ⚠️

Coverage data is based on head (073f7b6) compared to base (74c251a).
Patch coverage: 50.00% of modified lines in pull request are covered.

Additional details and impacted files

@@ Coverage Diff @@ ## master #2531 +/- ## ========================================== - Coverage 92.24% 92.20% -0.04%  ========================================== Files 113 113 Lines 29357 29384 +27 ========================================== + Hits 27079 27094 +15  - Misses 2278 2290 +12 

Impacted Files	Coverage Δ
redis/commands/graph/edge.py	95.83% <50.00%> (-2.00%)	⬇️
redis/commands/graph/node.py	95.74% <50.00%> (-2.04%)	⬇️
redis/commands/graph/path.py	78.57% <50.00%> (-1.06%)	⬇️
tests/test_cluster.py	96.79% <0.00%> (-0.34%)	⬇️
tests/test_asyncio/test_pubsub.py	99.37% <0.00%> (-0.16%)	⬇️
tests/test_asyncio/test_cluster.py	97.48% <0.00%> (-0.13%)	⬇️
tests/test_scripting.py	93.58% <0.00%> (-0.09%)	⬇️
tests/test_json.py	100.00% <0.00%> (ø)
redis/asyncio/sentinel.py	87.57% <0.00%> (ø)
redis/commands/cluster.py	94.02% <0.00%> (ø)
... and 4 more

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.