feat: Add deployment side config-ssh options (#6613)

* feat: Allow setting deployment wide ssh config settings
* feat: config-ssh respects deployment ssh config
* The '.' is now configurable
* Move buildinfo into deployment.go

coderd/coderdtest/coderdtest.go

@@ -126,6 +126,8 @@ type Options struct {
 	Database database.Store
 	Pubsub   database.Pubsub
 
+	ConfigSSH codersdk.SSHConfigResponse
+
 	SwaggerEndpoint bool
 }
 
@@ -333,6 +335,7 @@ func NewOptions(t *testing.T, options *Options) (func(http.Handler), context.Can
 			UpdateCheckOptions:          options.UpdateCheckOptions,
 			SwaggerEndpoint:             options.SwaggerEndpoint,
 			AppSigningKey:               AppSigningKey,
+			SSHConfig:                   options.ConfigSSH,
 		}
 }