I'm losing my fucking mind [DMDeploy]

Merge pull request #2214 from tgstation/MoreGraphQL2 [DMDeploy][TGSDe…

…ploy]

v6.16.1: Fix DMAPI test merge timestamps

Merge pull request #2174 from tgstation/ASKDJASKLDJALSD [TGSDeploy]

v6.15.2: Fix `X-Forwarded-*` headers again

Merge pull request #2169 from tgstation/FixesAndShit [TGSDeploy]

v6.15.1: Fixes and shit

Merge pull request #2164 from tgstation/6.15.0 [TGSDeploy]

Release v6.15.0

Deploy API [RESTDeploy][NugetDeploy]