feat: release rdbms on staging (#44576)

fix: unhide cert from settings page

fix: add cert variables where missing

fix: show token on settings page

feat: add challenges to certified user data

fix: stylize settings page a little bit

fix: only show rdbms when upcomingChanges = true

fix: relational databases -> relational database

curriculum/challenges/_meta/learn-bash-by-building-a-boilerplate/meta.json

@@ -1,11 +1,11 @@
 {
   "name": "Learn Bash by Building a Boilerplate",
-  "isUpcomingChange": true,
+  "isUpcomingChange": false,
   "order": 0,
   "time": "5 hours",
   "template": "",
   "required": [],
-  "superBlock": "relational-databases",
+  "superBlock": "relational-database",
   "challengeOrder": [
     [
       "5ea8adfab628f68d805bfc5e",