cecf/opentelemetry-java-instrumentation: java agent代码 @ v250_kafka

Gregor Zeitlinger 40cea5e616 Test earliest spring boot version (#11474)		9 月之前
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src	2d2d124c7f Spring boot 2 smoke test using inheritance (#11278)	10 月之前
build.gradle.kts	40cea5e616 Test earliest spring boot version (#11474)	9 月之前