fix(deps): update bouncycastle to v1.78.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.bouncycastle:bcpkix-jdk18on (source)	1.78 -> 1.78.1
org.bouncycastle:bcutil-jdk18on (source)	1.78 -> 1.78.1

---

Configuration

📅 Schedule: Branch creation - "every 3 weeks on Monday" (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 has been generated by Mend Renovate. View repository job log here.