Bump pavlovic-ivan/octo-nudge from 1 to 2 (G-Research#325)

Bumps [pavlovic-ivan/octo-nudge](https://github.com/pavlovic-ivan/octo-nudge) from 1 to 2.
- [Release notes](https://github.com/pavlovic-ivan/octo-nudge/releases)
- [Commits](pavlovic-ivan/octo-nudge@v1...v2)

---
updated-dependencies:
- dependency-name: pavlovic-ivan/octo-nudge
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/nudge.yml

@@ -13,6 +13,6 @@ jobs:
     environment: nudge
     steps:
       - name: Send notification
-        uses: pavlovic-ivan/octo-nudge@v1
+        uses: pavlovic-ivan/octo-nudge@v2
         with:
           webhooks: ${{ secrets.NUDGE_WEBHOOKS }}