Prepare changelog for 1.25.0 release (#5356)

Author: jack-berg

CHANGELOG.md

@@ -2,6 +2,61 @@
 
 ## Unreleased
 
+### API
+
+* Cache ImmutableKeyValuePairs#hashCode
+  ([#5307](https://github.com/open-telemetry/opentelemetry-java/pull/5307))
+
+#### Propagators
+
+* Remove streams from B3Propagator
+  ([#5326](https://github.com/open-telemetry/opentelemetry-java/pull/5326))
+
+### SDK
+
+#### Metrics
+
+* Stop validating instrument unit
+  ([#5279](https://github.com/open-telemetry/opentelemetry-java/pull/5279))
+* Make the Executor for PrometheusHttpServer configurable
+  ([#5296](https://github.com/open-telemetry/opentelemetry-java/pull/5296))
+
+#### Exporter
+
+* Fix marshaler self suppression error
+  ([#5318](https://github.com/open-telemetry/opentelemetry-java/pull/5318))
+* Add sdk dependency to Logging OTLP exporter
+  ([#5291](https://github.com/open-telemetry/opentelemetry-java/pull/5291))
+
+#### Testing
+
+* Fixing up javadoc to reflect how to create a junit4 OpenTelemetryRule
+  ([#5299](https://github.com/open-telemetry/opentelemetry-java/pull/5299))
+
+### SDK Extensions
+
+* BREAKING: Autoconfigure drops support
+  for `otel.exporter.otlp.metrics.default.histogram.aggregation=EXPONENTIAL_BUCKET_HISTOGRAM`.
+  Use `BASE2_EXPONENTIAL_BUCKET_HISTOGRAM` instead.
+  ([#5290](https://github.com/open-telemetry/opentelemetry-java/pull/5290))
+* JaegerRemoteSampler use upstream grpc implementation if ManagedChannel is set
+  ([#5287](https://github.com/open-telemetry/opentelemetry-java/pull/5287))
+
+### OpenTracing Shim
+
+* Adds version to otel tracer instrumentation scope
+  ([#5336](https://github.com/open-telemetry/opentelemetry-java/pull/5336))
+
+## OpenCensus Shim
+
+* Adds version to otel tracer instrumentation scope
+  ([#5336](https://github.com/open-telemetry/opentelemetry-java/pull/5336))
+
+### Semantic Conventions
+
+* Update semconv to 1.19.0 and related build tool changes
+  ([#5311](https://github.com/open-telemetry/opentelemetry-java/pull/5311))
+
 ## Version 1.24.0 (2023-03-10)
 
 ### SDK