feat(config): add pull metric reader support to declarative config#5216

lzchen merged 11 commits into

open-telemetry:mainopen-telemetry/opentelemetry-python:mainfrom

MikeGoldsmith:mike/config-pull-metric-readerMikeGoldsmith/opentelemetry-python:mike/config-pull-metric-readerCopy head branch name to clipboard