fix: sampler give wrong result if no samples

[localvar]

No description provided.

[codecov-commenter]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.20 🎉

Comparison is base (f870f90) 73.05% compared to head (e9dc464) 73.25%.

📣 This organization is not using Codecov’s GitHub App Integration. We recommend you install it so Codecov can continue to function properly for your repositories. Learn more

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #964      +/-   ##
==========================================
+ Coverage   73.05%   73.25%   +0.20%     
==========================================
  Files         134      135       +1     
  Lines       14866    15036     +170     
==========================================
+ Hits        10860    11015     +155     
- Misses       3380     3396      +16     
+ Partials      626      625       -1     

Impacted Files	Coverage Δ
pkg/util/sampler/sampler.go	100.00% <100.00%> (ø)

... and 5 files with indirect coverage changes

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report in Codecov by Sentry.
📢 Do you have feedback about the report comment? Let us know in this issue.