Update RELEASING.md (#4274) #83

Job	Run time
opentelemetry-api	38s
opentelemetry-getting-started	50s
opentelemetry-opentracing-shim	38s
opentelemetry-proto-protobuf5	37s
opentelemetry-sdk	44s
opentelemetry-semantic-conventions	30s
opentelemetry-exporter-opencensus	41s
opentelemetry-exporter-otlp-combined	45s
opentelemetry-exporter-otlp-proto-common	53s
opentelemetry-exporter-otlp-proto-grpc	46s
opentelemetry-exporter-otlp-proto-http	48s
opentelemetry-exporter-prometheus	39s
opentelemetry-exporter-zipkin-combined	40s
opentelemetry-exporter-zipkin-json	35s
opentelemetry-exporter-zipkin-proto-http	37s
opentelemetry-opencensus-shim	54s
opentelemetry-propagator-b3	33s
opentelemetry-propagator-jaeger	42s
opentelemetry-test-utils	39s
	13m 9s

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