chore(plugins/auth-backend): migrate from passport-saml package to @node-saml/passport-saml

Signed-off-by: secustor <sebastian@poxhofer.at>

plugins/auth-backend/package.json

@@ -52,6 +52,7 @@
     "@backstage/plugin-auth-node": "workspace:^",
     "@backstage/plugin-catalog-node": "workspace:^",
     "@google-cloud/firestore": "^7.0.0",
+    "@node-saml/passport-saml": "^4.0.4",
     "@types/express": "^4.17.6",
     "@types/passport": "^1.0.3",
     "compression": "^1.7.4",
@@ -81,7 +82,6 @@
     "passport-microsoft": "^1.0.0",
     "passport-oauth2": "^1.6.1",
     "passport-onelogin-oauth": "^0.0.1",
-    "passport-saml": "^3.1.2",
     "uuid": "^8.0.0",
     "winston": "^3.2.1",
     "yn": "^4.0.0"