backport of commit a16650f98a (#6707)

Co-authored-by: Michael Li <michael.li@hashicorp.com>

.github/workflows/enos-run.yml

@@ -329,7 +329,7 @@ jobs:
           env
           find ./enos -name "scenario.tf" -exec cat {} \;
       - name: Send Slack message if Run and Retry fails (or if something else went wrong)
-        uses: slackapi/slack-github-action@91efab103c0de0a537f72a35f6b8cda0ee76bf0a # v2.1.1
+        uses: slackapi/slack-github-action@45a88b9581bfab2566dc881e2cd66d334e621e2c # v3.0.3
         # steps.run.outcome reports as failure when there is an error in `Run Enos scenario`
         # failure() captures errors before `Run Enos scenario`
         # failure() does not capture errors in `Run Enos scenario` due to continue-on-error
@@ -341,7 +341,7 @@ jobs:
             channel: ${{ secrets.SLACK_BOUNDARY_TEST_BOT_CHANNEL_ID }}
             text: ":x: e2e tests failed (${{ matrix.filter }}): ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}\n*Branch:* ${{ github.event.ref }}\n*SHA:* <${{ github.event.head_commit.url }}|${{ github.event.after }}>"
       - name: Send Slack message if Run but Retry passes
-        uses: slackapi/slack-github-action@91efab103c0de0a537f72a35f6b8cda0ee76bf0a # v2.1.1
+        uses: slackapi/slack-github-action@45a88b9581bfab2566dc881e2cd66d334e621e2c # v3.0.3
         if: ${{ steps.run.outcome == 'failure' && steps.run_retry.outcome != 'failure' }}
         with:
           method: chat.postMessage

.github/workflows/test-cli-ui_oss.yml

@@ -111,7 +111,7 @@ jobs:
           make -C internal/tests/cli test-vault-down
       - name: Send Slack message
         if: ${{ failure() }}
-        uses: slackapi/slack-github-action@91efab103c0de0a537f72a35f6b8cda0ee76bf0a # v2.1.1
+        uses: slackapi/slack-github-action@45a88b9581bfab2566dc881e2cd66d334e621e2c # v3.0.3
         with:
           method: chat.postMessage
           token: ${{ secrets.SLACK_BOUNDARY_TEST_BOT_TOKEN }}