Use tracked_* tracing macros to increase code coverage

[arrayka]

No description provided.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 95.23810% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 89.45%. Comparing base (d00cac0) to head (94df8b5).
⚠️ Report is 9 commits behind head on main.

Files with missing lines	Patch %	Lines
diskann-disk/src/build/builder/build.rs	95.23%	1 Missing ⚠️
diskann-disk/src/build/builder/core.rs	92.85%	1 Missing ⚠️
diskann-disk/src/search/provider/disk_provider.rs	50.00%	1 Missing ⚠️
diskann-disk/src/storage/disk_index_writer.rs	90.90%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1092      +/-   ##
==========================================
- Coverage   89.51%   89.45%   -0.07%     
==========================================
  Files         461      458       -3     
  Lines       85920    85398     -522     
==========================================
- Hits        76914    76395     -519     
+ Misses       9006     9003       -3     

Flag	Coverage Δ
miri	89.45% <95.23%> (-0.07%)	⬇️
unittests	89.08% <95.23%> (-0.07%)	⬇️

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

Files with missing lines	Coverage Δ
diskann-disk/src/build/builder/quantizer.rs	90.52% <100.00%> (ø)
...src/build/chunking/checkpoint/checkpoint_record.rs	96.38% <100.00%> (ø)
...d/chunking/checkpoint/checkpoint_record_manager.rs	100.00% <100.00%> (ø)
...kann-disk/src/build/chunking/continuation/utils.rs	90.29% <100.00%> (ø)
...rc/search/provider/disk_vertex_provider_factory.rs	95.70% <100.00%> (ø)
diskann-disk/src/storage/cached_reader.rs	99.16% <100.00%> (ø)
diskann-disk/src/storage/cached_writer.rs	98.87% <100.00%> (ø)
diskann-disk/src/storage/disk_index_reader.rs	92.30% <100.00%> (ø)
diskann-disk/src/storage/quant/generator.rs	92.67% <100.00%> (ø)
diskann-disk/src/storage/quant/pq/pq_generation.rs	93.22% <100.00%> (ø)
... and 6 more

... and 55 files with indirect coverage changes

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