Allow `unfurl_media` and `unfurl_links` args to be passed to `respond` and `ack` methods

[gburek-fastly]

As described in https://github.com/slackhq/slack-api-docs/blob/master/page_unfurling.md a bot message can send "unfurl_media": True, "unfurl_links": Trueargs tosay` or chat.postMessage API method.

However, the respond and ack methods do not take other **kwargs, and fails with TypeError: _build_message() got an unexpected keyword argument 'unfurl_media'\n"

This is also described in slackapi/bolt-js#466 with the say method but should be possible with respond or ack.

Category (place an x in each of the [ ])

• slack_bolt.App and/or its core components
• slack_bolt.async_app.AsyncApp and/or its core components
• Adapters in slack_bolt.adapter
• Others

Requirements

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[seratch]

Hi @gburek-fastly, thanks for taking the time to report this! We'll fix this issue in the next release.