message: Upgrade keycloak to 16.1.1
diff: ARG UPSTREAM_REPO
  ARG UPSTREAM_TAG
  FROM ${UPSTREAM_REPO:-uselagoon}/commons:${UPSTREAM_TAG:-latest} as commons
  -FROM jboss/keycloak:15.1.1
  +FROM jboss/keycloak:16.1.1
  ARG LAGOON_VERSION
  ENV LAGOON_VERSION=$LAGOON_VERSION
  