docs: server runs over https

[0xlsa]

on my machine it runs over https

Checklist:

• My organization is added to USERS.md.

[codecov]

Codecov Report

Merging #5604 (c4dbe21) into master (d0a0289) will decrease coverage by 0.03%.
The diff coverage is n/a.

❗ Current head c4dbe21 differs from pull request most recent head e7a10a4. Consider uploading reports for the commit e7a10a4 to get more accurate results

@@            Coverage Diff             @@
##           master    #5604      +/-   ##
==========================================
- Coverage   47.10%   47.06%   -0.04%     
==========================================
  Files         240      240              
  Lines       15018    15018              
==========================================
- Hits         7074     7068       -6     
- Misses       7046     7052       +6     
  Partials      898      898              

Impacted Files	Coverage Δ
workflow/metrics/server.go	12.50% <0.00%> (-4.17%)	⬇️
cmd/argoexec/commands/emissary.go	48.43% <0.00%> (-1.57%)	⬇️
cmd/argo/commands/get.go	56.66% <0.00%> (-0.67%)	⬇️

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