WHAT
Upgrade the keycloak operator to v7.6.2-3 to improve image grading of used keycloak components

HOW

• Update keycloak operator index used by RHOAM
  • See https://issues.redhat.com/browse/MGDAPI-4813 for process to update keycloak operator index
• Update relevant images in additional images [1]

[1] https://github.com/integr8ly/integreatly-operator/blob/master/products/additional-images.yaml#L41-L43

TESTS

• Keycloak operator is upgraded on upgrade
• Measure any downtime
• Images are upgraded

DONE

• Keycloak operator upgraded