fix(curriculum): improve regex for advanced-node (#44407)

* Modify set-up-passport challenge test regex to accept space after secret

* Accept any number of spaces

Co-authored-by: Krzysztof G. <60067306+gikf@users.noreply.github.com>

Co-authored-by: Krzysztof G. <60067306+gikf@users.noreply.github.com>

curriculum/challenges/english/06-quality-assurance/advanced-node-and-express/set-up-passport.md

@@ -111,7 +111,7 @@ Session and session secret should be correctly set up.
     (data) => {
       assert.match(
         data,
-        /secret:( |)process\.env(\.SESSION_SECRET|\[(?<q>"|')SESSION_SECRET\k<q>\])/g,
+        /secret *: *process\.env(\.SESSION_SECRET|\[(?<q>"|')SESSION_SECRET\k<q>\])/g,
         'Your express app should have express-session set up with your secret as process.env.SESSION_SECRET'
       );
     },