build(tabby): disable debug symbols for dependencies

[boxbeam]

My build caches have been getting quite large, so I figured it might make sense to add this setting to disable debug symbols in dependency crates, since they will basically never be used. This reduces cache size by ~34%

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 57.30%. Comparing base (06e0754) to head (3d8bfc1).
Report is 10 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2391   +/-   ##
=======================================
  Coverage   57.29%   57.30%           
=======================================
  Files         164      164           
  Lines       14644    14659   +15     
=======================================
+ Hits         8391     8400    +9     
- Misses       6253     6259    +6     

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[wsxiaoys]

I'm still hesitating to disable all of them, some of external dependencies are still helpful to locates crashes / profiling, e.g tantivy.

Is there a way to create a white list?

[boxbeam]

Yes, we could do profile.dev.package.<name>.debug = 0 for each one we want to disable, though that might end up being a huge number of lines since we have ~700 dependencies and each individual line would probably make very little difference

[boxbeam]

Okay, looking more closely it seems like we actually can leave in the * rule and still enable debug symbols for individual dependencies, which is much better