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

Lauri Tulmin fda1ee124a Add timeout to awaitGc (#10081)		1 rok temu
..
javaagent	e69d1c234a Convert internal-class-loader tests from groovy to java (#9560)	1 rok temu
javaagent-integration-tests	fda1ee124a Add timeout to awaitGc (#10081)	1 rok temu