Allow DMAPI Validation to be fully skipped

[Cyberboss]

Fuck you @AffectedArc07

🆑
Allowed DMAPI validation to be skipped. Note that skipping DMAPI validation disables all DMAPI functionality for a deployment, even if it is present in your DM code.

🆑 HTTP API
Added dmApiValidationMode to /api/DreamMaker request and response model. This enum can either be 0 for validation optional, 1 for validation required, or 2 for validation skipped.
Deprecation: requireDMApiValidation in the /api/DreamMaker request and response models is now deprecated, use dmApiValidationMode instead.
/🆑

🆑 Nuget: API
Added Tgstation.Server.Api.Models.DMApiValidationMode.
Added DreamMakerSettings.DMApiValidationMode.
Deprecation: Make DreamMakerSettings.RequireDMApiValidation obsolete. Use DreamMakerSettings.DMApiValidationMode instead.
/🆑

🆑 Nuget: Client
Updated Tgstation.Server.Api dependency to 14.1.0 for TGS API version 10.9.0.
/🆑

[codecov]

Codecov Report

Attention: Patch coverage is 99.72267% with 12 lines in your changes missing coverage. Please review.

Project coverage is 95.92%. Comparing base (2df11b4) to head (6c0f9fa).
Report is 6 commits behind head on dev.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #1923      +/-   ##
==========================================
+ Coverage   95.81%   95.92%   +0.11%     
==========================================
  Files         717      725       +8     
  Lines      164124   168407    +4283     
  Branches     3291     3296       +5     
==========================================
+ Hits       157255   161546    +4291     
+ Misses       6363     6358       -5     
+ Partials      506      503       -3