add error message and todo

Author: PavelSafronov

src/cmap/auth/scram.ts

@@ -232,10 +232,11 @@ function passwordDigest(username: string, password: string) {
 
   let nodeCrypto;
   try {
+    // TODO: NODE-7424 - remove dependency on 'crypto' for SCRAM-SHA-1 authentication
     // eslint-disable-next-line @typescript-eslint/no-require-imports
     nodeCrypto = require('crypto');
   } catch (e) {
-    throw new MongoRuntimeError('Crypto support is required for SCRAM-SHA-1 authentication', {
+    throw new MongoRuntimeError('global crypto is required for SCRAM-SHA-1 authentication', {
       cause: e
     });
   }