Looks like it's still using the old semconv, e.g. https://github.com/open-telemetry/opentelemetry-java-instrumentation/blob/cfd40a8c17e6889c2e8f28c166376619673cd3fb/instrumentation/runtime-telemetry/runtime-telemetry-java17/library/src/main/java/io/opentelemetry/instrumentation/runtimemetrics/java17/internal/classes/ClassesLoadedHandler.java#L27
Looks like it's still using the old semconv, e.g.
opentelemetry-java-instrumentation/instrumentation/runtime-telemetry/runtime-telemetry-java17/library/src/main/java/io/opentelemetry/instrumentation/runtimemetrics/java17/internal/classes/ClassesLoadedHandler.java
Line 27 in cfd40a8