use filename for uploaded files

[codomposer]

Summary

Fixes #1747

Testing

Category

• slack_sdk.web.WebClient (sync/async) (Web API client)
• slack_sdk.webhook.WebhookClient (sync/async) (Incoming Webhook, response_url sender)
• slack_sdk.socket_mode (Socket Mode client)
• slack_sdk.signature (Request Signature Verifier)
• slack_sdk.oauth (OAuth Flow Utilities)
• slack_sdk.models (UI component builders)
• slack_sdk.scim (SCIM API client)
• slack_sdk.audit_logs (Audit Logs API client)
• slack_sdk.rtm_v2 (RTM client)
• /docs (Documents)
• /tutorial (PythOnBoardingBot tutorial)
• tests/integration_tests (Automated tests for this library)

Requirements

• I've read and understood the Contributing Guidelines and have done my best effort to follow them.
• I've read and agree to the Code of Conduct.
• I've run python3 -m venv .venv && source .venv/bin/activate && ./scripts/run_validation.sh after making the changes.

Contribution by Gittensor, learn more at https://gittensor.io/

[salesforce-cla]

Thanks for the contribution! Before we can merge this, we need @codomposer to sign the Salesforce Inc. Contributor License Agreement.

[codomposer]

@mwbrooks
I just signed the cla, but still it says missing? Can you take a look?

[hello-ashleyintech]

hi @codomposer!

thanks so much for submitting the PR! have you verified that the CLA was signed with the GitHub account you have submitted this PR with?

[codomposer]

hi @codomposer!

thanks so much for submitting the PR! have you verified that the CLA was signed with the GitHub account you have submitted this PR with?

yes, I signed with this account

[hello-ashleyintech]

@codomposer could you push up another commit and see if it bumps the CLA check?

[codomposer]

@codomposer could you push up another commit and see if it bumps the CLA check?

Done

[zimeg]

@hello-ashleyintech I think closing and repopening PRs might also bump the @saleforce-cla[bot] for future reference 🤖

[codomposer]

hi @hello-ashleyintech
can you please check this PR?
\