can you add or update a test (or smoke test) to cover this?

done

Please explain why this is only needed for MicrometerBridgeAutoConfiguration but not for https://github.com/open-telemetry/opentelemetry-java-instrumentation/blob/main/instrumentation/spring/spring-boot-autoconfigure/src/main/java/io/opentelemetry/instrumentation/spring/autoconfigure/internal/instrumentation/mongo/MongoClientInstrumentationAutoConfiguration.java or the other configuration classes.

I think spring is not able to figure out the order sometimes, but can't remember exactly what the condition is.

We do have tests for all of the modules, so we can be sure it works - we just didn't test micrometer before.

I logged an issue #15017, it would be good to understand this better, but also good to merge this before the release.