upgrade ClickHouse-Go dependencies to V2.0.15

[DGuang21]

No description provided.

[codecov-commenter]

Codecov Report

Merging #1904 (10e1fa4) into master (7d5ab1f) will increase coverage by 0.00%.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1904   +/-   ##
=======================================
  Coverage   73.81%   73.81%           
=======================================
  Files         510      510           
  Lines       46179    46179           
=======================================
+ Hits        34085    34089    +4     
+ Misses      10032    10029    -3     
+ Partials     2062     2061    -1     

Flag	Coverage Δ
go-1.15-386	73.71% <ø> (+<0.01%)	⬆️
go-1.15-amd64	73.69% <ø> (-0.04%)	⬇️
go-1.16-386	73.69% <ø> (-0.02%)	⬇️
go-1.16-amd64	73.72% <ø> (+0.01%)	⬆️
go-1.17-386	73.76% <ø> (ø)
go-1.17-amd64	73.77% <ø> (+<0.01%)	⬆️

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Impacted Files	Coverage Δ
os/gfsnotify/gfsnotify_watcher.go	84.03% <0.00%> (+2.52%)	⬆️
os/gfpool/gfpool_file.go	76.19% <0.00%> (+4.76%)	⬆️

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