jackson-databind 2.10 has been closed since 2021-09-30, doesn't get any updates and therefore can no longer been used in critical production code: https://github.com/FasterXML/jackson/wiki/Jackson-Releases
Trying to use a jackson-databind version >= 2.11 fails with this error message:
Scala module 2.10.5 requires Jackson Databind version >= 2.10.0 and < 2.11.0
kafka-junit requires the Scala module.
Bumping the kafka-junit version from 2.8.0 to 3.0.0 bumps the jackson-databind version from 220.127.116.11 to 2.12.3. The version 2.12.* is still maintained and receives security patches.