fix(otelgrpc): prevent panic when nil TracerProvider or MeterProvider is passed#8323

dmathieu merged 2 commits into

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

dims:fix/otelgrpc-nil-provider-panicdims/opentelemetry-go-contrib:fix/otelgrpc-nil-provider-panicCopy head branch name to clipboard