Fix typos in multiple files

[co63oc]

Fix typos in multiple files

[akihironitta]

Nice! Thank you for your contribution! What tool did you use for these changes? I wonder if we can integrate it in our CI.

[co63oc]

Nice! Thank you for your contribution! What tool did you use for these changes? I wonder if we can integrate it in our CI.

I used codespell and typos to check

[puririshi98]

this LGTM, anything else needed to merge @akihironitta ?

[codecov]

Codecov Report

❌ Patch coverage is 75.00000% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 85.43%. Comparing base (c211214) to head (4ef2463).
⚠️ Report is 88 commits behind head on master.

Files with missing lines	Patch %	Lines
torch_geometric/nn/norm/layer_norm.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #10274      +/-   ##
==========================================
- Coverage   86.11%   85.43%   -0.68%     
==========================================
  Files         496      496              
  Lines       33655    34007     +352     
==========================================
+ Hits        28981    29055      +74     
- Misses       4674     4952     +278     

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