Implement endpoint renaming

[cataphract]

See DataDog/dd-trace-cpp#260

[codecov-commenter]

Codecov Report

❌ Patch coverage is 92.85714% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 68.48%. Comparing base (5baca70) to head (f46d83f).

Files with missing lines	Patch %	Lines
src/tracing_library.cpp	92.85%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #267      +/-   ##
==========================================
+ Coverage   68.42%   68.48%   +0.05%     
==========================================
  Files          56       56              
  Lines        6030     6044      +14     
  Branches     1049     1052       +3     
==========================================
+ Hits         4126     4139      +13     
  Misses       1397     1397              
- Partials      507      508       +1     

Files with missing lines	Coverage Δ
src/tracing_library.cpp	75.83% <92.85%> (+1.76%)	⬆️

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[Anilm3]

LGTM