release-notes: add note for
#### <sub><sup><a name="4895" href="#4895">:link:</a></sup></sub> fix
* @kirillbilchenko fixed a [bug](https://github.com/concourse/concourse/issues/3856) where the `concourse_workers_registered` metric would never go below 1, even when workers were pruned. #4895
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+#### <sub><sup><a name="4947" href="#4947">:link:</a></sup></sub> fix
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+* @cirocosta fixed a [bug](https://github.com/concourse/concourse/issues/4932) where an error that's not specific could lead to null pointer exception during the container creation phase. #4932
