chore(deps): update ghcr.io/lennart-k/rustical docker tag to v0.9.12

This MR contains the following updates:

Package	Update	Change
ghcr.io/lennart-k/rustical	patch	0.9.6 -> 0.9.12

---

Release Notes

lennart-k/rustical (ghcr.io/lennart-k/rustical)

v0.9.12

Compare Source

Almost no changes

• Remove duplicate statement in a function

Full Changelog: https://github.com/lennart-k/rustical/compare/v0.9.11...v0.9.12

v0.9.11

Compare Source

Improved error logging: Many errors that would only be returned via HTTP will now also output to the console

Full Changelog: https://github.com/lennart-k/rustical/compare/v0.9.10...v0.9.11

v0.9.10

Compare Source

oidc: Show error when provider discovery fails

Full Changelog: https://github.com/lennart-k/rustical/compare/v0.9.9...v0.9.10

v0.9.9

Compare Source

Just a small maintenance release no new features but some updated dependencies and a tiny bit more testing

Full Changelog: https://github.com/lennart-k/rustical/compare/v0.9.8...v0.9.9

v0.9.8

Compare Source

Revert to Rust 1.89 since Docker images for 1.90 are not online yet

v0.9.7

Fixes

Contrary to my previous belief a calendar object can contain multiple VEVENT components. This release addresses this issue and hopefully fixes lots of problems with recurring events.

Full Changelog: https://github.com/lennart-k/rustical/compare/v0.9.7...v0.9.8

---

Configuration

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

🚦 Automerge: Enabled.

♻️ Rebasing: Whenever MR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this MR and you won't be reminded about this update again.

---

• If you want to rebase/retry this MR, check this box

---

This MR has been generated by Renovate Bot.