feat(axelar-wasm-std-derive-minor): add generics support for into-event derive macro

[fish-sammy]

Description

Todos

• Unit tests
• Manual tests
• Documentation
• Connect epics/issues

Steps to Test

Expected Behaviour

Other Notes

[codecov]

Codecov Report

Attention: Patch coverage is 56.75676% with 16 lines in your changes missing coverage. Please review.

Project coverage is 93.70%. Comparing base (869a080) to head (47a363b).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
packages/axelar-wasm-std-derive/src/lib.rs	56.75%	16 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #741      +/-   ##
==========================================
- Coverage   93.74%   93.70%   -0.04%     
==========================================
  Files         222      222              
  Lines       36286    36319      +33     
==========================================
+ Hits        34016    34033      +17     
- Misses       2270     2286      +16     

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