fix: simplify the logs in query path (#770)

[zouxiang1993]

Which issue does this PR close?

Closes #770

Rationale for this change

What changes are included in this PR?

• Change some query/disk_cache log level from info to debug

Are there any user-facing changes?

No

How does this change test

Existing CI

[codecov-commenter]

Codecov Report

Merging #776 (c6717f8) into main (32bd51e) will decrease coverage by 0.03%.
The diff coverage is 50.00%.

❗ Current head c6717f8 differs from pull request most recent head 8d6a366. Consider uploading reports for the commit 8d6a366 to get more accurate results

@@            Coverage Diff             @@
##             main     #776      +/-   ##
==========================================
- Coverage   68.47%   68.44%   -0.03%     
==========================================
  Files         296      296              
  Lines       46645    46645              
==========================================
- Hits        31938    31927      -11     
- Misses      14707    14718      +11     

Impacted Files	Coverage Δ
components/object_store/src/disk_cache.rs	87.34% <0.00%> (ø)
analytic_engine/src/sst/parquet/async_reader.rs	90.48% <100.00%> (ø)

... and 7 files with indirect coverage changes

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[jiacai2050]

LGTM

[jiacai2050]

@zouxiang1993 For your reference, I have modified your PR description to make it more readable for reviewers.

Anyway, thanks for contributing!