Version 1.42.0

AWS X-Ray SDK support

• Update semconv dependency version (#1585)

Baggage processor

• Add BaggageLogRecordProcessor (#1576)

Disk buffering

• Deserialization validation (#1571)

JMX metrics

• Align HBase metric units to semconv (#1538)
• Align Cassandra metric units to semconv (#1591)
• Align Tomcat metric units to semconv (#1589)
• Align JVM units to semconv (#1593)

JMX scraper - New 🌟

The future of the JMX metrics component, built on top of the [JMX me
trics](https://github.com/open-telemetry/opentelemetry-java-instrumentation/tree/main/instrumen
tation/jmx-metrics/javaagent#jmx-metric-insight) component from the opentelemetry-java-instrumentation repository.

Maven extension

• Load OTel SDK config from environment variables and system properties (#1434)
• Workaround NoClassDefFoundError in @PreDestroy waiting for MNG-7056 (#1431)

🙇 Thank you

This release was possible thanks to the following contributors who shared their brilliant ideas and awesome pull requests:

@breedx-splk
@cyrille-leclerc
@jackshirazi
@jaydeluca
@laurit
@LikeTheSalad
@marquiswang
@robsunday
@SylvainJuge
@trask
@vicziani
@zeitlinger