Add changelog entry for PR #3792 (FastAPI documentation improvements)#2

UltimatePlutoC merged 2 commits intomainUltimatePlutoC/opentelemetry-python-contrib:mainfrom

copilot/fix-a178cccb-927c-4ce5-81f4-bf3687e11dabUltimatePlutoC/opentelemetry-python-contrib:copilot/fix-a178cccb-927c-4ce5-81f4-bf3687e11dabCopy head branch name to clipboard