fix: remove duplicate slash in URL_ADMIN_IDP (#459)

Co-authored-by: jasmina.pegan <jasmina.pegan@arctur.si>

src/keycloak/urls_patterns.py

@@ -149,7 +149,7 @@ URL_ADMIN_REALM = "admin/realms/{realm-name}"
 URL_ADMIN_IDPS = "admin/realms/{realm-name}/identity-provider/instances"
 URL_ADMIN_IDP_MAPPERS = "admin/realms/{realm-name}/identity-provider/instances/{idp-alias}/mappers"
 URL_ADMIN_IDP_MAPPER_UPDATE = URL_ADMIN_IDP_MAPPERS + "/{mapper-id}"
-URL_ADMIN_IDP = "admin/realms//{realm-name}/identity-provider/instances/{alias}"
+URL_ADMIN_IDP = "admin/realms/{realm-name}/identity-provider/instances/{alias}"
 URL_ADMIN_REALM_ROLES_ROLE_BY_NAME = "admin/realms/{realm-name}/roles/{role-name}"
 URL_ADMIN_REALM_ROLES_COMPOSITE_REALM_ROLE = (
     "admin/realms/{realm-name}/roles/{role-name}/composites"