Optimize Resource Sharing Across Exporters with Arc Implementation #4186

Job	Run time
cargo-deny	27s
coverage	8m 15s
external-types (opentelemetry)	1m 5s
docs	6m 2s
external-types (opentelemetry-sdk)	1m 16s
lint	20m 38s
msrv	4m 13s
non-default-examples (opentelemetry-otlp/examples/external-otlp-grpcio-async-std)	5m 7s
non-default-examples (opentelemetry-otlp/examples/basic-otlp)	37s
test (stable)	17m 18s
test (beta)	16m 12s
	1h 21m 10s

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