fix(deps): replace dependency passport-saml with @node-saml/passport-saml 4.0.4

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

package.json

@@ -18,6 +18,7 @@
   },
   "dependencies": {
     "@hedgedoc/meta-marked": "14.1.0",
+    "@node-saml/passport-saml": "4.0.4",
     "@passport-next/passport-openid": "1.0.0",
     "Idle.Js": "git+https://github.com/shawnmclean/Idle.js#commit=2b57cc6e49d177b7ddce0cca00ef5cbe07453541",
     "archiver": "6.0.2",
@@ -81,7 +82,6 @@
     "passport-ldapauth": "3.0.1",
     "passport-local": "1.0.0",
     "passport-oauth2": "1.8.0",
-    "passport-saml": "3.2.4",
     "passport-twitter": "1.0.4",
     "passport.socketio": "3.7.0",
     "pdfobject": "2.3.0",