Update keycloak_flow_execution to handle script authenticators #536

Job	Run time
puppet7 el8 (keycloak=25.0.1 full=no)	5m 39s
Puppet 7 (Ruby 2.7.8 fixtures=.fixtures.yml)	1m 27s
puppet8 el8 (keycloak=25.0.1 full=no)	5m 30s
Puppet 8 (Ruby 3.2.3 fixtures=.fixtures.yml)	1m 9s
puppet7 el9 (keycloak=25.0.1 full=no)	5m 28s
Puppet 7 (Ruby 2.7.7 fixtures=.fixtures-latest.yml)	1m 23s
puppet8 el9 (keycloak=25.0.1 full=no)	5m 34s
Puppet 8 (Ruby 3.2.2 fixtures=.fixtures-latest.yml)	1m 14s
puppet7 debian-11 (keycloak=25.0.1 full=no)	6m 17s
puppet8 debian-11 (keycloak=25.0.1 full=no)	6m 21s
puppet7 ubuntu-2004 (keycloak=25.0.1 full=no)	6m 29s
puppet8 ubuntu-2004 (keycloak=25.0.1 full=no)	6m 42s
puppet7 ubuntu-2204 (keycloak=25.0.1 full=no)	6m 21s
puppet8 ubuntu-2204 (keycloak=25.0.1 full=no)	6m 40s
puppet7 el8 (keycloak=25.0.1 full=yes)	47m 6s
puppet8 el8 (keycloak=25.0.1 full=yes)	48m 30s
	2h 41m 50s

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