Bump slackapi/slack-github-action from 1.25.0 to 1.27.0 in the actions-on-branch-3-12 group (#2259)

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

Author: dependabot[bot]

.github/workflows/vuln-check.yaml

@@ -100,7 +100,7 @@ jobs:
 
       - name: Post Trivy vulnerability check failure for ScalarDB Server to Slack
         if: failure()
-        uses: slackapi/slack-github-action@v1.25.0
+        uses: slackapi/slack-github-action@v1.27.0
         with:
           payload: |
             {
@@ -131,7 +131,7 @@ jobs:
 
       - name: Post Trivy vulnerability check failure for ScalarDB Schema Loader to Slack
         if: failure()
-        uses: slackapi/slack-github-action@v1.25.0
+        uses: slackapi/slack-github-action@v1.27.0
         with:
           payload: |
             {