migrate to student_info claim for determining the degree program on login

demo/keycloak-conf/clients.json

demo/keycloak-conf/scopes.json

demo/keycloak-conf/users.json

demo/seed/progmodules.json

demo/seed/programs.json

demo/seed/users.json

...in/java/de/hsrm/sls/subato/auth/oauth/ClaimConstants.java

.../java/de/hsrm/sls/subato/auth/oauth/JwtAuthConverter.java

...a/de/hsrm/sls/subato/auth/oauth/KeycloakLoginHandler.java

.../java/de/hsrm/sls/subato/auth/oauth/KeycloakUserInfo.java

...ls/subato/auth/oauth/OAuth2ClientAuthResultConverter.java

...m/sls/subato/modules/program/DegreeProgramRepository.java

.../hsrm/sls/subato/aor/core/ImportCoreDataUseCaseTests.java