fix(recaptcha): fix recaptcha when registering with ctftime

[ginkoid]

No description provided.

[codecov]

Codecov Report

Merging #546 (0b3d6f6) into master (b4c6065) will decrease coverage by 0.64%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #546      +/-   ##
==========================================
- Coverage   60.04%   59.39%   -0.65%     
==========================================
  Files          87       87              
  Lines        1389     1389              
  Branches       57       57              
==========================================
- Hits          834      825       -9     
- Misses        530      539       +9     
  Partials       25       25              

Impacted Files	Coverage Δ
server/app.js	86.95% <ø> (ø)
server/leaderboard/calculate.js	43.05% <0.00%> (-9.73%)	⬇️
server/cache/leaderboard.js	64.44% <0.00%> (-2.23%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update b4c6065...13301f6. Read the comment docs.

[ethanwu10]

lgtm