Hydra spec misses schema for logout/accept (and reject) body, making the java client throw an NPE

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Describe the bug

when calling hydraClient.acceptLogoutRequest(challenge), okhttp throws an NPE (see below) Generated code misses the content type: Schema has no body for logout/accept (login has them):

Reproducing the bug

run hydraClient.acceptLogoutRequest(challenge)

Relevant log output

java.lang.NullPointerException: Parameter specified as non-null is null: method okhttp3.MediaType$Companion.parse, parameter $this$toMediaTypeOrNull
    at okhttp3.MediaType$Companion.parse(MediaType.kt)
    at okhttp3.MediaType.parse(MediaType.kt)
    at sh.ory.hydra.ApiClient.buildRequest(ApiClient.java:1225)
    at sh.ory.hydra.ApiClient.buildCall(ApiClient.java:1181)
    at sh.ory.hydra.api.AdminApi.acceptLogoutRequestCall(AdminApi.java:449)
    at sh.ory.hydra.api.AdminApi.acceptLogoutRequestValidateBeforeCall(AdminApi.java:461)
    at sh.ory.hydra.api.AdminApi.acceptLogoutRequestWithHttpInfo(AdminApi.java:500)
    at sh.ory.hydra.api.AdminApi.acceptLogoutRequest(AdminApi.java:481)
    at io.papermc.hangarauth.controller.OAuthController.logout(OAuthController.java:229)

Relevant configuration

No response

Version

hydra java client 1.11.8

On which operating system are you observing this issue?

Windows

In which environment are you deploying?

Docker

Additional Context