deprecation(opentelemetry-jaeger): Add deprecation notice. #4275

Job	Run time
external-types (opentelemetry)	1m 3s
cargo-deny	23s
external-types (opentelemetry-sdk)	1m 15s
lint	3m 56s
msrv	4m 25s
non-default-examples (opentelemetry-otlp/examples/basic-otlp)	37s
coverage	3m 40s
docs	1m 32s
test (stable)	8m 1s
test (beta)	8m 24s
	33m 16s

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