import junit-bom to align junit dependencies, update to 3.8.2 (#429)
import junit-bom to align junit dependencies, update to 3.8.2 (#429)

* switch to junit-bom for junit jupiter

This simplifies the pom file and ensures downstream repositories don't
have to manually define additional junit dependencies, instead relying
on the bom to align all dependencies to the same version.

* chore: update junit jupiter to latest 3.8.2 version
confluentinc/common,confluentinc/common