fix: G602 support for nested conditionals with bounds check

[xWiiLLz]

Trying to fix #1200 with this PR.
Suggestions/comments more than welcome

[codecov-commenter]

⚠️ Please install the to ensure uploads and comments are reliably processed by Codecov.

Codecov Report

Attention: Patch coverage is 50.00000% with 14 lines in your changes missing coverage. Please review.

Project coverage is 67.84%. Comparing base (4ae73c8) to head (cd0c651).
Report is 15 commits behind head on master.

Files with missing lines	Patch %	Lines
analyzers/slice_bounds.go	50.00%	13 Missing and 1 partial ⚠️

❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1201      +/-   ##
==========================================
+ Coverage   67.35%   67.84%   +0.49%     
==========================================
  Files          74       75       +1     
  Lines        4046     4186     +140     
==========================================
+ Hits         2725     2840     +115     
- Misses       1195     1210      +15     
- Partials      126      136      +10     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[ccojocar]

Thanks for contributing this fix. I left a few comments, it would be great if you could address them. Thanks again!