fix(openai): finalize completion spans on early stream close - #4394

fix(openai): finalize completion spans on early stream close#4394

CTWalk wants to merge 2 commits into

traceloop:maintraceloop/openllmetry:mainfrom

CTWalk:fix/completion-stream-early-closeCTWalk/openllmetry:fix/completion-stream-early-closeCopy head branch name to clipboard