fix: reduce SQL tracing noise

[alnr]

This silences sql-rows-next spans in tracing, which don't have any real informational value but can make up a large portion of all spans.

[codecov]

Codecov Report

Merging #3481 (b9d169f) into master (3b1d87e) will decrease coverage by 0.02%.
The diff coverage is 100.00%.

❗ Current head b9d169f differs from pull request most recent head 86a691a. Consider uploading reports for the commit 86a691a to get more accurate results

@@            Coverage Diff             @@
##           master    #3481      +/-   ##
==========================================
- Coverage   76.85%   76.83%   -0.02%     
==========================================
  Files         124      124              
  Lines        9162     9164       +2     
==========================================
  Hits         7041     7041              
- Misses       1672     1673       +1     
- Partials      449      450       +1     

Impacted Files	Coverage Δ
driver/registry_sql.go	74.73% <100.00%> (+0.54%)	⬆️

... and 1 file with indirect coverage changes

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