Move CHANGELOG entry and add deprecation

Author: punya

CHANGELOG.md

@@ -14,6 +14,11 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 - Add `"go.opentelemetry.io/contrib/samplers/jaegerremote".WithSamplingStrategyFetcher` which sets custom fetcher implementation. (#4045)
 - Add `"go.opentelemetry.io/contrib/config"` package that includes configuration models generated via go-jsonschema. (#4376)
 - Add `NewSDK` function to `"go.opentelemetry.io/contrib/config"`. The initial implementation only returns noop providers. (#4414)
+- Add metrics support to `go.opentelemetry.io/contrib/exporters/autoexport`. (#4229)
+
+### Deprecated
+
+- In `go.opentelemetry.io/contrib/exporters/autoexport`, `Option` was renamed to `SpanOption`. The old name is deprecated but continues to be supported as an alias.
 
 ### Changed
 
@@ -74,7 +79,6 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 - Add `WithSpanOptions` option in `go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc`. (#3768)
 - Add testing support for Go 1.21. (#4233)
 - Add `WithFilter` option to `go.opentelemetry.io/contrib/instrumentation/github.com/gorilla/mux/otelmux`. (#4230)
-- Add metrics support to `go.opentelemetry.io/contrib/exporters/autoexport`. (#4229)
 
 ### Changed