chore(deps): update slackapi/slack-github-action action to v2.1.1

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/e2e.yml

@@ -128,7 +128,7 @@ jobs:
 
       - name: Send Slack notification
         if: ${{ !cancelled() }}
-        uses: slackapi/slack-github-action@b0fa283ad8fea605de13dc3f449259339835fc52 # v2.1.0
+        uses: slackapi/slack-github-action@91efab103c0de0a537f72a35f6b8cda0ee76bf0a # v2.1.1
         with:
           webhook: ${{ env.SLACK_WEBHOOK_URL }}
           webhook-type: incoming-webhook