chore(deps): update actions/setup-python action to v3

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
actions/setup-python	action	major	v2 -> v3

---

Release Notes

actions/setup-python

### [`v3`](https://togithub.com/actions/setup-python/compare/v2...v3) [Compare Source](https://togithub.com/actions/setup-python/compare/v2...v3)

---

Configuration

📅 Schedule: "before 3am on Monday" (UTC).

🚦 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 this update again.

---

• [ ] If you want to rebase/retry this PR, click this checkbox.

---

This PR has been generated by WhiteSource Renovate. View repository job log here.

[netlify[bot]]

✔️ Deploy Preview for python-playground ready!

🔨 Explore the source changes: b5d10411f7be8fa7c64e842971c47be80c600484

🔍 Inspect the deploy log: https://app.netlify.com/sites/python-playground/deploys/62256537b576c90008c3a540

😎 Browse the preview: https://deploy-preview-100--python-playground.netlify.app/