Update some dependencies.
Update some dependencies.

Bump junit-jupiter from 5.8.0-RC1 to 5.8.1 #136
Bump japicmp-maven-plugin from 0.15.3 to 0.15.4 #137
Bump mockito-core from 3.12.4 to 4.0.0 #138
apache/commons-dbcp,apache/commons-dbcp,apache/commons-dbcp