Update dependency cryptography to v42.0.8

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
cryptography (changelog)	42.0.7 -> 42.0.8

---

Release Notes

pyca/cryptography (cryptography)

### [`v42.0.8`](https://togithub.com/pyca/cryptography/compare/42.0.7...42.0.8) [Compare Source](https://togithub.com/pyca/cryptography/compare/42.0.7...42.0.8)

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), 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 this update again.

---

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

---

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