[chore][connector/sum] graduate sumconnector to alpha#35985

mx-psi merged 8 commits into

open-telemetry:mainopen-telemetry/opentelemetry-collector-contrib:mainfrom

greatestusername:32669-sumconnector-alphagreatestusername/opentelemetry-collector-contrib:32669-sumconnector-alphaCopy head branch name to clipboard