message: auth-backend: switch saml config to use privateKey
diff: @@ -128,7 +128,7 @@ export const createSamlProvider = (
  audience: config.getOptionalString('audience'),
  issuer: config.getString('issuer'),
  cert: config.getString('cert'),
  - privateCert: config.getOptionalString('privateKey'),
  + privateKey: config.getOptionalString('privateKey'),
  authnContext: config.getOptionalStringArray('authnContext'),
  identifierFormat: config.getOptionalString('identifierFormat'),
  decryptionPvk: config.getOptionalString('decryptionPvk'),
  