feat: katana runner log path option

[EvolveArt]

Description

This PR adds a new log_path option to KatanaRunner. Currently it's hard to debug issues as logs are stored in a temp dir.

Related issue

Tests

• Yes
• No, because they aren't needed
• No, because I need help

Added to documentation?

• README.md
• Dojo Book
• No documentation needed

Checklist

• I've formatted my code (scripts/prettier.sh, scripts/rust_fmt.sh, scripts/cairo_fmt.sh)
• I've linted my code (scripts/clippy.sh, scripts/docs.sh)
• I've commented my code
• I've requested a review after addressing the comments

[codecov]

Codecov Report

Attention: Patch coverage is 80.00000% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 67.49%. Comparing base (61c6f39) to head (52d845a).
Report is 1 commits behind head on main.

Files	Patch %	Lines
crates/katana/runner/src/lib.rs	80.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2015      +/-   ##
==========================================
- Coverage   67.49%   67.49%   -0.01%     
==========================================
  Files         318      318              
  Lines       37898    37899       +1     
==========================================
- Hits        25581    25580       -1     
- Misses      12317    12319       +2     

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[glihm]

Thanks for this addition @EvolveArt!

Even if the runner already have a log_file_path() to get the file path, it is useful to be able to choose the log file path to ease debugging. 👍