Fixed: apache/flink#43203 (release-1.9 - 85f69d4)

[Flink CI]

apache / flink release-1.9 Build #43203 fixed 4 hrs, 6 mins, 1 sec Aljoscha Krettek 85f69d4 CHANGESET → [FLINK-16954] Don't use JDK11 APIs in ClassRelocator We instead use asm-7, which is normally not available in the Flink 1.9.x line, as a test dependency.