⬆️ Update Update slackapi/slack-github-action action to v2

Author: renovate[bot]

.github/workflows/image-master-arm.yaml

@@ -189,7 +189,7 @@ jobs:
         run: echo "COMMIT_MSG=$(git log -1 --pretty=format:%s)" >> $GITHUB_ENV
       - name: notify if failure
         if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }} && failure()
-        uses: slackapi/slack-github-action@fcfb566f8b0aab22203f066d80ca1d7e4b5d05b3 # v1.27.1
+        uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d # v2.0.0
         env:
           SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
           SLACK_WEBHOOK_TYPE: INCOMING_WEBHOOK

.github/workflows/image-master.yaml

@@ -462,7 +462,7 @@ jobs:
         run: echo "COMMIT_MSG=$(git log -1 --pretty=format:%s)" >> $GITHUB_ENV
       - name: notify if failure
         if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }} && failure()
-        uses: slackapi/slack-github-action@fcfb566f8b0aab22203f066d80ca1d7e4b5d05b3 # v1.27.1
+        uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d # v2.0.0
         env:
           SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
           SLACK_WEBHOOK_TYPE: INCOMING_WEBHOOK