fix(openfeature): block initialize() until RC config arrives#16650

gh-worker-dd-mergequeue-cf854d[bot] merged 13 commits into

mainDataDog/dd-trace-py:mainfrom

fix/ffl-1843-openfeature-init-blockingDataDog/dd-trace-py:fix/ffl-1843-openfeature-init-blockingCopy head branch name to clipboard