Step still succeeds if key doesn't exist and the update fails

[Dermah]

My page update failed with the following log:

Run dovetail/notion-update-page-property@v0.1.0
  with:
    notion_api_key: ***
    page_id: <REDACTED>
    key: Pull request
    value: { "url": "<REDACTED>" }
(node:1474) [DEP0005] DeprecationWarning: Buffer() is deprecated due to security and usability issues. Please use the Buffer.alloc(), Buffer.allocUnsafe(), or Buffer.from() methods instead.
@notionhq/client warn: request fail {
  code: 'validation_error',
  message: 'Pull request is not a property that exists.'
}
(node:1474) UnhandledPromiseRejectionWarning: APIResponseError: Pull request is not a property that exists.
    at Object.buildRequestError (/home/runner/work/_actions/dovetail/notion-update-page-property/v0.1.0/node_modules/@notionhq/client/build/src/errors.js:162:1)
    at Client.request (/home/runner/work/_actions/dovetail/notion-update-page-property/v0.1.0/node_modules/@notionhq/client/build/src/Client.js:278:1)
    at processTicksAndRejections (internal/process/task_queues.js:97:5)
(node:1474) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)
(node:1474) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

The page update failed, but the GitHub workflow was still marked as succeeded.