🌱 Add timer to certpoolwatcher

[tmshort]

Adds a 10 minute timer to refresh the certpool

Description

Reviewer Checklist

• API Go Documentation
• Tests: Unit Tests (and E2E Tests, if appropriate)
• Comprehensive Commit Messages
• Links to related GitHub Issue(s)

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[codecov]

Codecov Report

Attention: Patch coverage is 75.00000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 66.02%. Comparing base (543f099) to head (72f7592).
Report is 7 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/shared/util/http/certpoolwatcher.go	66.66%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1920      +/-   ##
==========================================
- Coverage   66.06%   66.02%   -0.04%     
==========================================
  Files          70       70              
  Lines        6182     6190       +8     
==========================================
+ Hits         4084     4087       +3     
- Misses       1839     1843       +4     
- Partials      259      260       +1     

Flag	Coverage Δ
e2e	45.12% <62.50%> (-0.04%)	⬇️
unit	55.26% <75.00%> (+0.02%)	⬆️

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[tmshort]

Closing, not needed.