chore: upgrade passport-saml to fix security issue

plugins/auth-backend/config.d.ts

@@ -51,7 +51,7 @@ export interface Config {
         cert?: string;
         privateKey?: string;
         decryptionPvk?: string;
-        signatureAlgorithm?: 'sha1' | 'sha256' | 'sha512';
+        signatureAlgorithm?: 'sha256' | 'sha512';
         digestAlgorithm?: string;
       };
       okta?: {

plugins/auth-backend/package.json

@@ -58,7 +58,7 @@
     "passport-oauth2": "^1.5.0",
     "passport-okta-oauth": "^0.0.1",
     "passport-onelogin-oauth": "^0.0.1",
-    "passport-saml": "^1.3.5, <1.4.0",
+    "passport-saml": "^2.0.0",
     "uuid": "^8.0.0",
     "winston": "^3.2.1",
     "yn": "^4.0.0"