Replace dependency passport-saml with @node-saml/passport-saml ^4.0.4

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

plugins/auth-backend/package.json

@@ -71,7 +71,7 @@
     "passport-microsoft": "^1.0.0",
     "passport-oauth2": "^1.6.1",
     "passport-onelogin-oauth": "^0.0.1",
-    "passport-saml": "^3.1.2",
+    "@node-saml/passport-saml": "^4.0.4",
     "uuid": "^8.0.0",
     "winston": "^3.2.1",
     "yn": "^4.0.0"