chore(deps): update module github.com/emersion/go-message to v0.18.1

This MR contains the following updates:

Package	Type	Update	Change
github.com/emersion/go-message	require	minor	v0.15.0 -> v0.18.1

---

Release Notes

emersion/go-message (github.com/emersion/go-message)

v0.18.1: 0.18.1

Compare Source

v0.18.0: 0.18.0

Compare Source

v0.17.0: 0.17.0

Compare Source

v0.16.0: 0.16.0

Compare Source

---

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 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.