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/build-a-celestial-bodies-database-project/meta.json

@@ -1,11 +1,11 @@
 {
   "name": "Build a Celestial Bodies Database Project",
-  "isUpcomingChange": true,
+  "isUpcomingChange": false,
   "order": 2,
   "time": "30 hours",
   "template": "",
   "required": [],
-  "superBlock": "relational-databases",
+  "superBlock": "relational-database",
   "challengeOrder": [
     [
       "5f1a4ef5d5d6b5ab580fc6ae",