Bump slackapi/slack-github-action in the minor group

Bumps the minor group with 1 update: [slackapi/slack-github-action](https://github.com/slackapi/slack-github-action).


Updates `slackapi/slack-github-action` from 1.26.0 to 1.27.0
- [Release notes](https://github.com/slackapi/slack-github-action/releases)
- [Commits](slackapi/slack-github-action@70cd7be...37ebaef)

---
updated-dependencies:
- dependency-name: slackapi/slack-github-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: minor
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/security.yml

@@ -64,7 +64,7 @@ jobs:
         shell: bash
 
       - name: Send message to Slack
-        uses: slackapi/slack-github-action@70cd7be8e40a46e8b0eced40b0de447bdb42f68e # v1.26.0
+        uses: slackapi/slack-github-action@37ebaef184d7626c5f204ab8d3baff4262dd30f0 # v1.27.0
         if: steps.json.outputs.high != '0' || steps.json.outputs.medium != '0'
         with:
           channel-id: probation-integration-notifications
@@ -114,7 +114,7 @@ jobs:
           SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}
 
       - name: Send failure message to Slack
-        uses: slackapi/slack-github-action@70cd7be8e40a46e8b0eced40b0de447bdb42f68e # v1.26.0
+        uses: slackapi/slack-github-action@37ebaef184d7626c5f204ab8d3baff4262dd30f0 # v1.27.0
         if: failure()
         with:
           channel-id: probation-integration-notifications