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

tools/scripts/seed/seedAuthUser.js

@@ -59,6 +59,7 @@ const authUser = {
   isSciCompPyCertV7: false,
   isDataAnalysisPyCertV7: false,
   isMachineLearningPyCertV7: false,
+  isRelationalDatabaseCertV8: false,
   completedChallenges: [],
   portfolio: [],
   yearsTopContributor: envVariables.includes('--top-contributor')
@@ -118,6 +119,7 @@ const blankUser = {
   isSciCompPyCertV7: false,
   isDataAnalysisPyCertV7: false,
   isMachineLearningPyCertV7: false,
+  isRelationalDatabaseCertV8: false,
   completedChallenges: [],
   portfolio: [],
   yearsTopContributor: [],