HttpMethod: POST
URL: https://api.github.com/repos/org/repo/workflows/12345/dispatches
Content-Type: application/json
Authorization: *****
Accept: application/vnd.github+json
X-GitHub-Api-Version: 2022-11-28
Sending request to url: https://api.github.com/repos/org/repo/actions/workflows/12345/dispatches
Response Code: 204

Also: org.jenkinsci.plugins.workflow.actions.ErrorAction$ErrorId: 329442b1-ba87-46e8-9358-4ee3c3b6cb9b
java.lang.NullPointerException
at PluginClassLoader for http_request//jenkins.plugins.http_request.ResponseContentSupplier.readCharset(ResponseContentSupplier.java:129)
at PluginClassLoader for http_request//jenkins.plugins.http_request.ResponseContentSupplier.<init>(ResponseContentSupplier.java:62)
at PluginClassLoader for http_request//jenkins.plugins.http_request.HttpRequestExecution.executeRequest(HttpRequestExecution.java:470)
at PluginClassLoader for http_request//jenkins.plugins.http_request.HttpRequestExecution.authAndRequest(HttpRequestExecution.java:382)
at PluginClassLoader for http_request//jenkins.plugins.http_request.HttpRequestExecution.call(HttpRequestExecution.java:292)
at PluginClassLoader for http_request//jenkins.plugins.http_request.HttpRequestExecution.call(HttpRequestExecution.java:87)
at hudson.remoting.UserRequest.perform(UserRequest.java:225)
at hudson.remoting.UserRequest.perform(UserRequest.java:50)
at hudson.remoting.Request$2.run(Request.java:391)
at hudson.remoting.InterceptingExecutorService.lambda$wrap$0(InterceptingExecutorService.java:81)
at java.base/java.util.concurrent.FutureTask.run(Unknown Source)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at hudson.remoting.Engine$1.lambda$newThread$0(Engine.java:312)
at java.base/java.lang.Thread.run(Unknown Source)
Finished: FAILURE