Optimize Resource Sharing Across Exporters with Arc Implementation #4188

Job	Run time
docs	5m 46s
cargo-deny	26s
coverage	8m 11s
external-types (opentelemetry)	1m 9s
lint	20m 52s
external-types (opentelemetry-sdk)	1m 15s
msrv	4m 19s
non-default-examples (opentelemetry-otlp/examples/external-otlp-grpcio-async-std)	5m 34s
test (stable)	16m 7s
non-default-examples (opentelemetry-otlp/examples/basic-otlp)	37s
test (beta)	16m 4s
	1h 20m 20s

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