TaskPool.disposeHandle

Dispose of the handle returned by [gst.task_pool.TaskPool.push]. This does not need to be called with the default implementation as the default #GstTaskPoolClass::push implementation always returns null. This does not need to be called either when calling [gst.task_pool.TaskPool.join], but should be called when joining is not necessary, but [gst.task_pool.TaskPool.push] returned a non-null value.

This method should only be called with the same pool instance that provided id.