Update data-platform-workflows to v23.0.3

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
canonical/data-platform-workflows	action	patch	v23.0.1 -> v23.0.3
pytest-github-secrets	integration	patch	v23.0.1 -> v23.0.3
pytest-microceph	integration	patch	v23.0.1 -> v23.0.3
pytest-operator-cache	integration	patch	v23.0.1 -> v23.0.3
pytest-operator-groups	integration	patch	v23.0.1 -> v23.0.3

---

Release Notes

canonical/data-platform-workflows (canonical/data-platform-workflows)

### [`v23.0.3`](https://redirect.github.com/canonical/data-platform-workflows/releases/tag/v23.0.3) [Compare Source](https://redirect.github.com/canonical/data-platform-workflows/compare/v23.0.2...v23.0.3) ##### What's Changed - patch(integration_test_charm.yaml): Wait for microk8s to populate iptables before restarting on IS-hosted runners by [@​carlcsaposs-canonical](https://redirect.github.com/carlcsaposs-canonical) in [https://github.com/canonical/data-platform-workflows/pull/242](https://redirect.github.com/canonical/data-platform-workflows/pull/242) **Full Changelog**: https://github.com/canonical/data-platform-workflows/compare/v23.0.2...v23.0.3 ### [`v23.0.2`](https://redirect.github.com/canonical/data-platform-workflows/releases/tag/v23.0.2) [Compare Source](https://redirect.github.com/canonical/data-platform-workflows/compare/v23.0.1...v23.0.2) ##### What's Changed - patch(\_update_bundle.yaml): Hardcode snap channels for `charmed_postgresql` and `charmed_pgbouncer` by [@​lucasgameiroborges](https://redirect.github.com/lucasgameiroborges) in [https://github.com/canonical/data-platform-workflows/pull/241](https://redirect.github.com/canonical/data-platform-workflows/pull/241) **Full Changelog**: https://github.com/canonical/data-platform-workflows/compare/v23.0.1...v23.0.2

---

Configuration

📅 Schedule: Branch creation - "after 1am and before 3am every weekday" in timezone Etc/UTC, Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.