chore(deps): update erikvl87/languagetool docker tag to v6.4

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
erikvl87/languagetool	final	minor	6.3 -> 6.4

---

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.

[github-actions[bot]]

🏷️ [bumpr] Next version:v1.14.1 Changes:v1.14.0...reviewdog:renovate/erikvl87-languagetool-6.x

[github-actions[bot]]

🚀 [bumpr] Bumped! New version:v1.14.1 Changes:v1.14.0...v1.14.1