DEB-1483 Keycloak 22.0.1 -> 23.0.4.
DEB-1483 euler2: keycloak-connect to 23.0.4
DEB-1483 Proxy: keycloak-connect to 23.0.4.
Also added engine restriction.
DEB-1483 euler: keycloak-adapter to v. 23.0.4
DEB-1483 keycloak: v. 23.0.4.
DEB-1483 tjenestekatalog: fe-common 6.0.3
DEB-1483 fuge: fe-common 6.0.3
DEB-1483 fe-common: Keycloak adapter 22.0.1 -> 23.0.4.
Needed som build config fix since jwt-decode was externalised in keycloak js adapter.