Bump rtCamp/action-slack-notify from 2.3.0 to 2.3.1

Bumps [rtCamp/action-slack-notify](https://github.com/rtcamp/action-slack-notify) from 2.3.0 to 2.3.1.
- [Release notes](https://github.com/rtcamp/action-slack-notify/releases)
- [Commits](rtCamp/action-slack-notify@v2.3.0...v2.3.1)

---
updated-dependencies:
- dependency-name: rtCamp/action-slack-notify
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/main.yml

@@ -151,7 +151,7 @@ jobs:
 
     steps:
       - name: Slack Notification
-        uses: rtCamp/action-slack-notify@v2.3.0
+        uses: rtCamp/action-slack-notify@v2.3.1
 
   workflow_failure:
     if: ${{ failure() }}
@@ -169,4 +169,4 @@ jobs:
 
     steps:
       - name: Slack Notification
-        uses: rtCamp/action-slack-notify@v2.3.0
+        uses: rtCamp/action-slack-notify@v2.3.1