feat(hook): add nan_to_num hooks

[XuehaiPan]

Description

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Motivation and Context

Why is this change required? What problem does it solve?
If it fixes an open issue, please link to the issue here.
You can use the syntax close #15213 if this solves the issue #15213

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• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds core functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation (update in the documentation)
• Example (update in the folder of example)

Checklist

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• I have read the CONTRIBUTION guide. (required)
• My change requires a change to the documentation.
• I have updated the tests accordingly. (required for a bug fix or a new feature)
• I have updated the documentation accordingly.
• I have reformatted the code using make format. (required)
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[codecov-commenter]

Codecov Report

Base: 64.87% // Head: 64.67% // Decreases project coverage by -0.19% ⚠️

Coverage data is based on head (842953b) compared to base (f831b53).
Patch coverage: 42.30% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #119      +/-   ##
==========================================
- Coverage   64.87%   64.67%   -0.20%     
==========================================
  Files          65       66       +1     
  Lines        2804     2828      +24     
==========================================
+ Hits         1819     1829      +10     
- Misses        985      999      +14     

Flag	Coverage Δ
unittests	64.67% <42.30%> (-0.20%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
torchopt/transform/nan_to_num.py	31.25% <31.25%> (ø)
torchopt/hook.py	42.85% <42.85%> (-0.90%)	⬇️
torchopt/__init__.py	100.00% <100.00%> (ø)
torchopt/transform/__init__.py	100.00% <100.00%> (ø)

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