build(deps): bump slackapi/slack-github-action from 1 to 2

Bumps [slackapi/slack-github-action](https://github.com/slackapi/slack-github-action) from 1 to 2.
- [Release notes](https://github.com/slackapi/slack-github-action/releases)
- [Commits](slackapi/slack-github-action@v1...v2)

---
updated-dependencies:
- dependency-name: slackapi/slack-github-action
  dependency-version: '2'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/crons.yaml

@@ -90,7 +90,7 @@ jobs:
           access_token: ${{ secrets.GITHUB_TOKEN }}
       - name: Notify Slack on retry triggered
         if: matrix.type == 'retry' && steps.retry.outputs.was-retried == 'true'
-        uses: slackapi/slack-github-action@v1
+        uses: slackapi/slack-github-action@v3
         with:
           channel-id: "#squad-metalk8s"
           slack-message: |
@@ -104,7 +104,7 @@ jobs:
           SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}
       - name: Notify Slack on manual action needed
         if: matrix.type == 'retry' && steps.retry.outputs.retry-count != '' && fromJSON(steps.retry.outputs.retry-count) >= fromJSON(env.MAX_RETRIES)
-        uses: slackapi/slack-github-action@v1
+        uses: slackapi/slack-github-action@v3
         with:
           channel-id: "#squad-metalk8s"
           slack-message: |