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

Lauri Tulmin 8e016a7bf4 Fix flaky http pipelining test on akka http (#8437)		1 anno fa
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src	8e016a7bf4 Fix flaky http pipelining test on akka http (#8437)	1 anno fa
build.gradle.kts	c3d0498030 Change akka-actor base version from 2.5 to 2.3 (#6439)	2 anni fa