deprecation(opentelemetry-jaeger): Add deprecation notice. #4272

Job	Run time
test (stable)	2m 51s
external-types (opentelemetry)	1m 4s
test (beta)	2m 55s
cargo-deny	28s
external-types (opentelemetry-sdk)	1m 12s
coverage	3m 4s
docs	1m 29s
lint	1m 33s
msrv	3m 39s
non-default-examples (opentelemetry-otlp/examples/basic-otlp)	37s
	18m 52s

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