feat: avoid hot reload when dynconfig refresh data

[gaius-qi]

Description

Related Issue

Motivation and Context

Screenshots (if appropriate)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation Update (if none of the other choices apply)

Checklist

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.

[codecov]

Codecov Report

Merging #2866 (fd6ba09) into main (2339e9b) will decrease coverage by 0.01%.
The diff coverage is 14.28%.

@@            Coverage Diff             @@
##             main    #2866      +/-   ##
==========================================
- Coverage   51.64%   51.63%   -0.01%     
==========================================
  Files         161      161              
  Lines       21809    21815       +6     
==========================================
+ Hits        11263    11264       +1     
- Misses       9884     9889       +5     
  Partials      662      662              

Flag	Coverage Δ
unittests	51.63% <14.28%> (-0.01%)	⬇️

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

Files	Coverage Δ
internal/dynconfig/dynconfig.go	66.66% <14.28%> (-4.77%)	⬇️

[jim3ma]

LGTM