[BUG] "Trigger Breaking Change Notifications" workflow is broken

[jameslamb]

Describe the bug

This workflow:

cuvs/.github/workflows/trigger-breaking-change-alert.yaml

Lines 16 to 23 in 7a5cc22

	jobs:
	trigger-notifier:
	if: contains(github.event.pull_request.labels.*.name, 'breaking')
	permissions:
	contents: read
	uses: rapidsai/shared-workflows/.github/workflows/breaking-change-alert.yaml@main
	secrets:
	slack-webhook-url: ${{ secrets.NV_SLACK_BREAKING_CHANGE_NOTIFIER_APP }}

Is failing like this:

file:///home/runner/work/_actions/slackapi/slack-github-action/45a88b9581bfab2566dc881e2cd66d334e621e2c/src/config.js:210
        throw new SlackError(
^
SlackError: Missing input! Either a method or webhook is required to take action.
    at Config.validate (file:///home/runner/work/_actions/slackapi/slack-github-action/45a88b9581bfab2566dc881e2cd66d334e621e2c/src/config.js:210:1)
    at new Config (file:///home/runner/work/_actions/slackapi/slack-github-action/45a88b9581bfab2566dc881e2cd66d334e621e2c/src/config.js:126:1)
    at send (file:///home/runner/work/_actions/slackapi/slack-github-action/45a88b9581bfab2566dc881e2cd66d334e621e2c/src/send.js:12:1)
    at file:///home/runner/work/_actions/slackapi/slack-github-action/45a88b9581bfab2566dc881e2cd66d334e621e2c/src/index.js:9:1
    at __nccwpck_require__.a (file:///home/runner/work/_actions/slackapi/slack-github-action/45a88b9581bfab2566dc881e2cd66d334e621e2c/webpack/runtime/async module:49:1)
    at Object.9722 (file:///home/runner/work/_actions/slackapi/slack-github-action/45a88b9581bfab2566dc881e2cd66d334e621e2c/dist/index.js:47275:21)
    at __nccwpck_require__ (file:///home/runner/work/_actions/slackapi/slack-github-action/45a88b9581bfab2566dc881e2cd66d334e621e2c/webpack/bootstrap:21:1)
    at file:///home/runner/work/_actions/slackapi/slack-github-action/45a88b9581bfab2566dc881e2cd66d334e621e2c/webpack/startup:4:1
    at ModuleJob.run (node:internal/modules/esm/module_job:439:25)
    at node:internal/modules/esm/loader:633:26

(build link)

Steps/Code to reproduce bug

Add the breaking label to any PR.

Expected behavior

Adding the breaking label to a PR should trigger a notification to the internal #swrapids-breaking-change-alerts channel.

Environment details (please complete the following information):

N/A

Additional context

Noticed on #2305

I suspect this is just an issue of a missing secret, missed in the migration to the NVIDIA org because this workflow runs infrequently.

[jameslamb]

This same change is needed in https://github.com/NVIDIA/raft .

cuvs-lucene is fine because it doesn't use this workflow.