Merge branch 'stable-3.3'

* stable-3.3:
  Add missing dependency to jackson-annotations library
  Align testcontainers with v1.15 in Gerrit
  Add build validation with Jenkinsfile
  Add missing dependency to jackson-annotations library
  Align testcontainers with v1.15 in Gerrit
  Add missing dependency to jackson-annotations library
  Update events-broker to v3.3.0-rc7
  Align testcontainers with v1.15 in Gerrit

Change-Id: I660309fc5d68a8ce4745f18ec339924641a723af