website(fix): reject empty secrets

[jhaals]

fixes #2289

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.54%. Comparing base (c004f37) to head (0bc38d1).
Report is 162 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2494   +/-   ##
=======================================
  Coverage   73.54%   73.54%           
=======================================
  Files           7        7           
  Lines         567      567           
=======================================
  Hits          417      417           
  Misses        117      117           
  Partials       33       33           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.