fix: handle invalid ServerNames during SSL handshake

[goenning]

No description provided.

[codecov-io]

Codecov Report

Merging #689 into master will increase coverage by 0.25%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #689      +/-   ##
==========================================
+ Coverage   64.68%   64.93%   +0.25%     
==========================================
  Files         111      111              
  Lines        8790     8796       +6     
==========================================
+ Hits         5685     5711      +26     
+ Misses       2623     2600      -23     
- Partials      482      485       +3

Impacted Files	Coverage Δ
app/pkg/web/ssl.go	84.91% <100%> (+40.22%)	⬆️
app/pkg/dbx/dbx.go	84.46% <0%> (+1.04%)	⬆️

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