build(deps): Bump rtCamp/action-slack-notify from 2.3.0 to 2.3.1 (#997)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/pr-reminder.yml

@@ -36,7 +36,7 @@ jobs:
             return table;
       - name: Send Slack Reminder
         if: steps.pr-list.outputs.result != ''
-        uses: rtCamp/action-slack-notify@v2.3.0
+        uses: rtCamp/action-slack-notify@v2.3.1
         env:
           SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
           SLACK_CHANNEL: pr-github