Fix formatting in Slack notification action.yml

Author: stelselim

.github/actions/slack-notification/action.yml

@@ -16,7 +16,7 @@ runs:
   using: "composite"
   steps:
     - name: Send Slack notification
-      uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d #v2
+      uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d  #v2
       with:
         method: chat.postMessage
         token: ${{ inputs.bot-token }}