Fix server example in sdk to have timeout

[aphralG]

Proposed changes

Change sdk server example to use http.Server so it has timeouts

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• I have read the CONTRIBUTING document
• I have run make install-tools and have attached any dependency changes to this pull request
• If applicable, I have added tests that prove my fix is effective or that my feature works
• If applicable, I have checked that any relevant tests pass after adding my changes
• If applicable, I have updated any relevant documentation (README.md)
• If applicable, I have tested my cross-platform changes on Ubuntu 22, Redhat 8, SUSE 15 and FreeBSD 13

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (89fc334) 66.14% compared to head (752ad65) 66.14%.

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Additional details and impacted files

@@           Coverage Diff           @@
##             main     #518   +/-   ##
=======================================
  Coverage   66.14%   66.14%           
=======================================
  Files         118      118           
  Lines       13462    13462           
=======================================
  Hits         8905     8905           
  Misses       3957     3957           
  Partials      600      600           

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