Updates for Javaagent 2.1.0 #3820
Description
Update after Javaagent 2.1.0 has been released.
- add resource detectors to spring starter opentelemetry-java-instrumentation#10277 - do in Updates for Javaagent 2.2.0 #4027
- add LoggingMetricExporterAutoConfiguration to spring factories opentelemetry-java-instrumentation#10282 - not needed
- Automatic addition of the OTel Logback appender by the OTel starter opentelemetry-java-instrumentation#10306 - DONE
- Allow the Spring starter to configure the OTel Logback appender from system properties opentelemetry-java-instrumentation#10355 - DONE
- add SystemOutLogRecordExporter for spring starter opentelemetry-java-instrumentation#10420 - DONE
- Spring starter should support otel.propagators opentelemetry-java-instrumentation#10408
- Remove old WithSpan annotation - DONE