fix(configuration): set voice server default value

[garrappachc]

No description provided.

[codecov]

Codecov Report

Merging #1056 (e72b3c4) into master (394d329) will increase coverage by 3.21%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1056      +/-   ##
==========================================
+ Coverage   91.01%   94.22%   +3.21%     
==========================================
  Files         144      166      +22     
  Lines        3138     3378     +240     
  Branches      332      340       +8     
==========================================
+ Hits         2856     3183     +327     
+ Misses        276      188      -88     
- Partials        6        7       +1     

Impacted Files	Coverage Δ
...rc/configuration/services/configuration.service.ts	100.00% <ø> (ø)
src/log-receiver/log-receiver.module.ts	100.00% <0.00%> (ø)
src/environment/environment.module.ts	100.00% <0.00%> (ø)
src/environment-validation-schema.ts	100.00% <0.00%> (ø)
src/plugins/discord/discord.module.ts	87.50% <0.00%> (ø)
src/auth/auth.module.ts	100.00% <0.00%> (ø)
src/queue/queue.module.ts	100.00% <0.00%> (ø)
src/configuration/configuration.module.ts	100.00% <0.00%> (ø)
src/events/events.module.ts	100.00% <0.00%> (ø)
src/documents/documents.module.ts	100.00% <0.00%> (ø)
... and 20 more

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