Optimize Resource Sharing Across Exporters with Arc Implementation #4167

Job	Run time
cargo-deny	30s
docs	5m 54s
external-types (opentelemetry)	1m 7s
coverage	8m 16s
external-types (opentelemetry-sdk)	1m 18s
lint	19m 54s
msrv	4m 16s
non-default-examples (opentelemetry-otlp/examples/external-otlp-grpcio-async-std)	5m 15s
test (stable)	16m 6s
non-default-examples (opentelemetry-otlp/examples/basic-otlp)	48s
test (beta)	17m 23s
	1h 20m 47s

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